diff --git a/tools/projmgr/include/ProjMgr.h b/tools/projmgr/include/ProjMgr.h
index 9cc306bc6..057e0e7f5 100644
--- a/tools/projmgr/include/ProjMgr.h
+++ b/tools/projmgr/include/ProjMgr.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020-2025 Arm Limited. All rights reserved.
+ * Copyright (c) 2020-2026 Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -198,6 +198,7 @@ class ProjMgr {
   bool m_cbuildgen;
   bool m_updateIdx;
   bool m_rpcMode = false;
+  bool m_locked;
   GroupNode m_files;
   std::vector<ContextItem*> m_processedContexts;
   std::vector<ContextItem*> m_allContexts;
diff --git a/tools/projmgr/include/ProjMgrWorker.h b/tools/projmgr/include/ProjMgrWorker.h
index 3b9ff9a57..100bdbc50 100644
--- a/tools/projmgr/include/ProjMgrWorker.h
+++ b/tools/projmgr/include/ProjMgrWorker.h
@@ -480,6 +480,7 @@ struct VariablesConfiguration {
  *        west on flag
  *        layer variables configurations
  *        unresolved components
+ *        map of available packs for locked packs
 */
 struct ContextItem {
   CdefaultItem* cdefault = nullptr;
@@ -553,6 +554,7 @@ struct ContextItem {
   bool westOn = false;
   std::vector<VariablesConfiguration> variablesConfigurations;
   std::set<RteComponentInstance*> unresolvedComponents;
+  StrMap availablePackVersions;
 };
 
 /**
@@ -627,10 +629,11 @@ class ProjMgrWorker {
    * @brief list available packs
    * @param reference to list of packs
    * @param bListMissingPacksOnly only missing packs
+   * @param bLocked print available update version for locked packs
    * @param filter words to filter results
    * @return true if executed successfully
   */
-  bool ListPacks(std::vector<std::string>& packs, bool bListMissingPacksOnly, const std::string& filter = RteUtils::EMPTY_STRING);
+  bool ListPacks(std::vector<std::string>& packs, bool bListMissingPacksOnly, bool bLocked = false, const std::string& filter = RteUtils::EMPTY_STRING);
 
   /**
    * @brief list available boards
@@ -1298,7 +1301,7 @@ class ProjMgrWorker {
   bool IsEnvironmentCompatible(const std::string& environment, const StrVec& filter);
   bool HasCompatibleEnvironment(const Collection<RteItem*>& environments, const StrVec& filter);
   template<class T> bool CheckFilter(const std::string& filter, const T& item);
-  void ResolvePackRequirement(ContextItem& context, const PackItem& packEntry);
+  void ResolvePackRequirement(ContextItem& context, const PackItem& packEntry, bool ignoreCBuildPack);
   void FormatResolvedPackIds();
 };
 
diff --git a/tools/projmgr/src/ProjMgr.cpp b/tools/projmgr/src/ProjMgr.cpp
index 45c21eeb9..48ff43266 100644
--- a/tools/projmgr/src/ProjMgr.cpp
+++ b/tools/projmgr/src/ProjMgr.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020-2025 Arm Limited. All rights reserved.
+ * Copyright (c) 2020-2026 Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -170,6 +170,7 @@ int ProjMgr::ParseCommandLine(int argc, char** argv) {
   cxxopts::Option cbuildgen("cbuildgen", "Generate legacy *.cprj files", cxxopts::value<bool>()->default_value("false"));
   cxxopts::Option contentLength("content-length", "Prepend 'Content-Length' header to JSON RPC requests and responses", cxxopts::value<bool>()->default_value("false"));
   cxxopts::Option activeTargetSet("a,active", "Select active target-set: <target-type>[@<set>]", cxxopts::value<string>());
+  cxxopts::Option locked("locked", "Print available update version for locked packs", cxxopts::value<bool>()->default_value("false"));
 
   // command options dictionary
   map<string, std::pair<bool, vector<cxxopts::Option>>> optionsDict = {
@@ -177,7 +178,7 @@ int ProjMgr::ParseCommandLine(int argc, char** argv) {
     {"update-rte",        { false, {context, contextSet, activeTargetSet, debug, load, quiet, schemaCheck, toolchain, verbose, frozenPacks}}},
     {"convert",           { false, {context, contextSet, activeTargetSet, debug, exportSuffix, load, quiet, schemaCheck, noUpdateRte, output, outputAlt, toolchain, verbose, frozenPacks, cbuildgen}}},
     {"run",               { false, {context, contextSet, activeTargetSet, debug, generator, load, quiet, schemaCheck, verbose, dryRun}}},
-    {"list packs",        { true,  {context, contextSet, activeTargetSet, debug, filter, load, missing, quiet, schemaCheck, toolchain, verbose}}},
+    {"list packs",        { true,  {context, contextSet, activeTargetSet, debug, filter, load, missing, locked, quiet, schemaCheck, toolchain, verbose}}},
     {"list boards",       { true,  {context, contextSet, activeTargetSet, debug, filter, load, quiet, schemaCheck, toolchain, verbose}}},
     {"list devices",      { true,  {context, contextSet, activeTargetSet, debug, filter, load, quiet, schemaCheck, toolchain, verbose}}},
     {"list configs",      { false, {context, contextSet, activeTargetSet, debug, filter, load, quiet, schemaCheck, toolchain, verbose}}},
@@ -201,7 +202,8 @@ int ProjMgr::ParseCommandLine(int argc, char** argv) {
       solution, context, contextSet, filter, generator,
       load, clayerSearchPath, missing, schemaCheck, noUpdateRte, output, outputAlt,
       help, version, verbose, debug, dryRun, exportSuffix, toolchain, ymlOrder,
-      relativePaths, frozenPacks, updateIdx, quiet, cbuildgen, contentLength, activeTargetSet
+      relativePaths, frozenPacks, updateIdx, quiet, cbuildgen, contentLength,
+      activeTargetSet, locked
     });
     options.parse_positional({ "positional" });
 
@@ -230,6 +232,7 @@ int ProjMgr::ParseCommandLine(int argc, char** argv) {
     ProjMgrLogger::m_quiet = parseResult.count("quiet");
     m_rpcServer.SetContentLengthHeader(parseResult.count("content-length"));
     m_rpcServer.SetDebug(m_debug);
+    m_locked = parseResult.count("locked");
 
     vector<string> positionalArguments;
     if (parseResult.count("positional")) {
@@ -804,7 +807,7 @@ bool ProjMgr::RunListPacks(void) {
   }
 
   vector<string> packs;
-  bool ret = m_worker.ListPacks(packs, m_missingPacks, m_filter);
+  bool ret = m_worker.ListPacks(packs, m_missingPacks, m_locked, m_filter);
   for (const auto& pack : packs) {
     ProjMgrLogger::out() << pack << endl;
   }
diff --git a/tools/projmgr/src/ProjMgrWorker.cpp b/tools/projmgr/src/ProjMgrWorker.cpp
index 22e9868be..b54500ab7 100644
--- a/tools/projmgr/src/ProjMgrWorker.cpp
+++ b/tools/projmgr/src/ProjMgrWorker.cpp
@@ -1713,27 +1713,13 @@ bool ProjMgrWorker::AddPackRequirements(ContextItem& context, const vector<PackI
       if (!specifiedMetadata.empty()) {
         m_packMetadata[RteUtils::ExtractPrefix(packageEntry.pack, "+")] = specifiedMetadata;
       }
-      // System wide package
-      vector<string> matchedPackIds = FindMatchingPackIdsInCbuildPack(packageEntry, resolvedPacks);
-      if (matchedPackIds.size()) {
-        // Cbuild pack content matches, so use it
-        for (const auto& resolvedPackId : matchedPackIds) {
-          PackageItem package;
-          package.origin = packageEntry.origin;
-          package.selectedBy = packageEntry.pack;
-          ProjMgrUtils::ConvertToPackInfo(resolvedPackId, package.pack);
-          context.userInputToResolvedPackIdMap[packageEntry.pack].insert(make_pair(resolvedPackId, package));
-          context.packRequirements.push_back(package);
-        }
-      } else {
-        // Not matching cbuild pack, add it unless a wildcard entry
-        PackageItem package;
-        ProjMgrUtils::ConvertToPackInfo(packageEntry.pack, package.pack);
-        package.selectedBy = packageEntry.pack;
-        // Store pack entries in separated vectors for later resolution in the right order
-        if (!package.pack.name.empty() && !WildCards::IsWildcardPattern(package.pack.name)) {
-          packEntries[ProjMgrUtils::GetVersionType(package.pack.version)].push_back(packageEntry);
-        }
+      // Store pack entries in separated vectors for later resolution in the right order, unless a wildcard entry
+      // TODO: store also the wildcard entries, expanding them but preserving origin and selectedBy for each resolved pack
+      PackageItem package;
+      ProjMgrUtils::ConvertToPackInfo(packageEntry.pack, package.pack);
+      package.selectedBy = packageEntry.pack;
+      if (!package.pack.name.empty() && !WildCards::IsWildcardPattern(package.pack.name)) {
+        packEntries[ProjMgrUtils::GetVersionType(package.pack.version)].push_back(packageEntry);
       }
     } else {
       // Project local pack - add as-is
@@ -1762,7 +1748,7 @@ bool ProjMgrWorker::AddPackRequirements(ContextItem& context, const vector<PackI
   for (const auto& versionType : { VersionType::FIXED, VersionType::EQUIVALENT, VersionType::COMPATIBLE,
     VersionType::MINIMUM, VersionType::ANY }) {
     for (const auto& packEntry : packEntries[versionType]) {
-      ResolvePackRequirement(context, packEntry);
+      ResolvePackRequirement(context, packEntry, ignoreCBuildPack);
     }
   }
 
@@ -1792,7 +1778,7 @@ bool ProjMgrWorker::AddPackRequirements(ContextItem& context, const vector<PackI
   return true;
 }
 
-void ProjMgrWorker::ResolvePackRequirement(ContextItem& context, const PackItem& packageEntry) {
+void ProjMgrWorker::ResolvePackRequirement(ContextItem& context, const PackItem& packageEntry, bool ignoreCBuildPack) {
   // Resolve version range using installed/local packs
   // Reuse already resolved pack when possible
   PackageItem package;
@@ -1815,13 +1801,29 @@ void ProjMgrWorker::ResolvePackRequirement(ContextItem& context, const PackItem&
       {"vendor",  package.pack.vendor},
       {"version", versionRange}
     });
-  auto pdsc = m_kernel->GetEffectivePdscFile(attributes);
+  auto [packId, _] = m_kernel->GetEffectivePdscFile(attributes);
   // Only remember the version of the pack if we had it installed or local
   // Will be used when serializing the cbuild-pack.yml file later
-  if (!pdsc.first.empty()) {
-    string installedVersion = RtePackage::VersionFromId(pdsc.first);
+  if (!packId.empty()) {
+    string installedVersion = RtePackage::VersionFromId(packId);
     package.pack.version = VersionCmp::RemoveVersionMeta(installedVersion);
-    context.userInputToResolvedPackIdMap[packageEntry.pack].insert(make_pair(pdsc.first, package));
+
+    // Check whether the packageEntry is already locked in cbuild-pack
+    if (!ignoreCBuildPack) {
+      vector<string> locked = FindMatchingPackIdsInCbuildPack(packageEntry, context.csolution->cbuildPack.packs);
+      if (!locked.empty()) {
+        // TODO: When wildcards will be fully stored in cbuild-pack there may be multiple matches
+        const auto& lockedId = locked.front();
+        if (lockedId != packId) {
+          // Save available version if different from locked
+          context.availablePackVersions[lockedId] = package.pack.version;
+          // Keep the locked pack
+          packId = lockedId;
+          package.pack.version = RtePackage::VersionFromId(lockedId);
+        }
+      }
+    }
+    context.userInputToResolvedPackIdMap[packageEntry.pack].insert(make_pair(packId, package));
   } else {
     // Remember that we had the user input, but it does not match any installed pack
     context.userInputToResolvedPackIdMap[packageEntry.pack] = {};
@@ -3989,8 +3991,9 @@ bool ProjMgrWorker::ProcessContext(ContextItem& context, bool loadGenFiles, bool
   return ret;
 }
 
-bool ProjMgrWorker::ListPacks(vector<string>&packs, bool bListMissingPacksOnly, const string& filter) {
+bool ProjMgrWorker::ListPacks(vector<string>&packs, bool bListMissingPacksOnly, bool bLocked, const string& filter) {
   map<string, string, RtePackageComparator> packsMap;
+  StrMap availablePackVersions;
   list<string> pdscFiles;
   if (!InitializeModel()) {
     return false;
@@ -4052,6 +4055,13 @@ bool ProjMgrWorker::ListPacks(vector<string>&packs, bool bListMissingPacksOnly,
         // check if additional dependencies must be added
         CheckMissingPackRequirements(RteUtils::EMPTY_STRING);
       }
+      // get available updates for locked packs
+      if (bLocked) {
+        for (const auto& selectedContext : m_selectedContexts) {
+          ContextItem& context = m_contexts[selectedContext];
+          availablePackVersions.merge(context.availablePackVersions);
+        }
+      }
     }
 
     if (!m_contextErrMap.empty()) {
@@ -4066,7 +4076,11 @@ bool ProjMgrWorker::ListPacks(vector<string>&packs, bool bListMissingPacksOnly,
   packsVec.reserve(packsMap.size());
   for (auto [id, fileName] : packsMap) {
     string s = id;
-    if (!fileName.empty()) {
+    if (bLocked) {
+      if (!availablePackVersions[id].empty()) {
+        s += " (locked) available update " + availablePackVersions[id];
+      }
+    } else if (!fileName.empty()) {
       string str = fileName;
       if(m_relativePaths) {
         if(str.find(m_packRoot) == 0) {
diff --git a/tools/projmgr/test/src/ProjMgrUnitTests.cpp b/tools/projmgr/test/src/ProjMgrUnitTests.cpp
index 87cb9b691..9c232ecbd 100644
--- a/tools/projmgr/test/src/ProjMgrUnitTests.cpp
+++ b/tools/projmgr/test/src/ProjMgrUnitTests.cpp
@@ -2621,7 +2621,7 @@ TEST_F(ProjMgrUnitTests, ListPacks) {
   vector<string> packs;
   EXPECT_TRUE(m_worker.ParseContextSelection({}));
   m_worker.SetLoadPacksPolicy(LoadPacksPolicy::ALL);
-  EXPECT_TRUE(m_worker.ListPacks(packs, false, "RTETest"));
+  EXPECT_TRUE(m_worker.ListPacks(packs, false, false, "RTETest"));
   string allPacks;
   for (auto& pack : packs) {
     allPacks += pack + "\n";
@@ -2636,7 +2636,7 @@ TEST_F(ProjMgrUnitTests, ListPacksLatest) {
   vector<string> packs;
   EXPECT_TRUE(m_worker.ParseContextSelection({}));
   m_worker.SetLoadPacksPolicy(LoadPacksPolicy::LATEST);
-  EXPECT_TRUE(m_worker.ListPacks(packs, false, "RTETest"));
+  EXPECT_TRUE(m_worker.ListPacks(packs, false, false, "RTETest"));
   string latestPacks;
   for (auto& pack : packs) {
     latestPacks += pack + "\n";
@@ -6476,6 +6476,22 @@ TEST_F(ProjMgrUnitTests, RunProjMgr_ListPacks_ContextSet) {
   EXPECT_NE(outStr.find("ARM::RteTest_DFP@0.2.0"), string::npos);
 }
 
+TEST_F(ProjMgrUnitTests, RunProjMgr_ListPacks_LockedOption) {
+  char* argv[5];
+  StdStreamRedirect streamRedirect;
+  const string& csolution = testinput_folder + "/TestSolution/PackLocking/lock_pack_version.csolution.yml";
+
+  // list packs --locked
+  argv[1] = (char*)"list";
+  argv[2] = (char*)"packs";
+  argv[3] = (char*)csolution.c_str();
+  argv[4] = (char*)"--locked";
+  EXPECT_EQ(0, RunProjMgr(5, argv, 0));
+
+  auto outStr = streamRedirect.GetOutString();
+  EXPECT_NE(outStr.find("ARM::RteTest_DFP@0.1.1 (locked) available update 0.2.0"), string::npos);
+}
+
 TEST_F(ProjMgrUnitTests, RunProjMgr_ListBoards_ContextSet) {
   char* argv[6];
   StdStreamRedirect streamRedirect;