diff --git a/.github/workflows/issue-triage.lock.yml b/.github/workflows/issue-triage.lock.yml
index cad8128f16..51bfaf1ee9 100644
--- a/.github/workflows/issue-triage.lock.yml
+++ b/.github/workflows/issue-triage.lock.yml
@@ -241,7 +241,7 @@ jobs:
             console.log(JSON.stringify(awInfo, null, 2));
       - name: Execute Claude Code Action
         id: agentic_execution
-        uses: anthropics/claude-code-base-action@beta
+        uses: anthropics/claude-code-base-action@v0.0.56
         with:
           # Allowed tools (sorted):
           # - Bash(echo:*)
diff --git a/.github/workflows/test-claude.lock.yml b/.github/workflows/test-claude.lock.yml
index e295636f9c..eba2b22a5e 100644
--- a/.github/workflows/test-claude.lock.yml
+++ b/.github/workflows/test-claude.lock.yml
@@ -255,7 +255,7 @@ jobs:
             console.log(JSON.stringify(awInfo, null, 2));
       - name: Execute Claude Code Action
         id: agentic_execution
-        uses: anthropics/claude-code-base-action@beta
+        uses: anthropics/claude-code-base-action@v0.0.56
         with:
           # Allowed tools (sorted):
           # - Glob
diff --git a/.github/workflows/weekly-research.lock.yml b/.github/workflows/weekly-research.lock.yml
index 76b7c85dba..9a8f755844 100644
--- a/.github/workflows/weekly-research.lock.yml
+++ b/.github/workflows/weekly-research.lock.yml
@@ -211,7 +211,7 @@ jobs:
             console.log(JSON.stringify(awInfo, null, 2));
       - name: Execute Claude Code Action
         id: agentic_execution
-        uses: anthropics/claude-code-base-action@beta
+        uses: anthropics/claude-code-base-action@v0.0.56
         with:
           # Allowed tools (sorted):
           # - Bash(echo:*)
diff --git a/pkg/workflow/claude_engine.go b/pkg/workflow/claude_engine.go
index a99bdb0588..8997ea3bfc 100644
--- a/pkg/workflow/claude_engine.go
+++ b/pkg/workflow/claude_engine.go
@@ -6,6 +6,11 @@ import (
 	"strings"
 )
 
+const (
+	// DefaultClaudeActionVersion is the default version of the Claude Code base action
+	DefaultClaudeActionVersion = "v0.0.56"
+)
+
 // ClaudeEngine represents the Claude Code agentic engine
 type ClaudeEngine struct {
 	BaseEngine
@@ -30,9 +35,15 @@ func (e *ClaudeEngine) GetInstallationSteps(engineConfig *EngineConfig) []GitHub
 }
 
 func (e *ClaudeEngine) GetExecutionConfig(workflowName string, logFile string, engineConfig *EngineConfig) ExecutionConfig {
+	// Determine the action version to use
+	actionVersion := DefaultClaudeActionVersion // Default version
+	if engineConfig != nil && engineConfig.Version != "" {
+		actionVersion = engineConfig.Version
+	}
+
 	config := ExecutionConfig{
 		StepName: "Execute Claude Code Action",
-		Action:   "anthropics/claude-code-base-action@beta",
+		Action:   fmt.Sprintf("anthropics/claude-code-base-action@%s", actionVersion),
 		Inputs: map[string]string{
 			"prompt_file":       "/tmp/aw-prompts/prompt.txt",
 			"anthropic_api_key": "${{ secrets.ANTHROPIC_API_KEY }}",
diff --git a/pkg/workflow/claude_engine_test.go b/pkg/workflow/claude_engine_test.go
index c4b5a930ec..261af2458f 100644
--- a/pkg/workflow/claude_engine_test.go
+++ b/pkg/workflow/claude_engine_test.go
@@ -1,6 +1,9 @@
 package workflow
 
-import "testing"
+import (
+	"fmt"
+	"testing"
+)
 
 func TestClaudeEngine(t *testing.T) {
 	engine := NewClaudeEngine()
@@ -38,8 +41,8 @@ func TestClaudeEngine(t *testing.T) {
 		t.Errorf("Expected step name 'Execute Claude Code Action', got '%s'", config.StepName)
 	}
 
-	if config.Action != "anthropics/claude-code-base-action@beta" {
-		t.Errorf("Expected action 'anthropics/claude-code-base-action@beta', got '%s'", config.Action)
+	if config.Action != fmt.Sprintf("anthropics/claude-code-base-action@%s", DefaultClaudeActionVersion) {
+		t.Errorf("Expected action 'anthropics/claude-code-base-action@%s', got '%s'", DefaultClaudeActionVersion, config.Action)
 	}
 
 	if config.Command != "" {
@@ -101,8 +104,8 @@ func TestClaudeEngineConfiguration(t *testing.T) {
 				t.Errorf("Expected step name 'Execute Claude Code Action', got '%s'", config.StepName)
 			}
 
-			if config.Action != "anthropics/claude-code-base-action@beta" {
-				t.Errorf("Expected action 'anthropics/claude-code-base-action@beta', got '%s'", config.Action)
+			if config.Action != fmt.Sprintf("anthropics/claude-code-base-action@%s", DefaultClaudeActionVersion) {
+				t.Errorf("Expected action 'anthropics/claude-code-base-action@%s', got '%s'", DefaultClaudeActionVersion, config.Action)
 			}
 
 			// Verify all required inputs are present
@@ -115,3 +118,45 @@ func TestClaudeEngineConfiguration(t *testing.T) {
 		})
 	}
 }
+
+func TestClaudeEngineWithVersion(t *testing.T) {
+	engine := NewClaudeEngine()
+
+	// Test with custom version
+	engineConfig := &EngineConfig{
+		ID:      "claude",
+		Version: "v1.2.3",
+		Model:   "claude-3-5-sonnet-20241022",
+	}
+
+	config := engine.GetExecutionConfig("test-workflow", "test-log", engineConfig)
+
+	// Check that the version is correctly used in the action
+	expectedAction := "anthropics/claude-code-base-action@v1.2.3"
+	if config.Action != expectedAction {
+		t.Errorf("Expected action '%s', got '%s'", expectedAction, config.Action)
+	}
+
+	// Check that model is set
+	if config.Inputs["model"] != "claude-3-5-sonnet-20241022" {
+		t.Errorf("Expected model 'claude-3-5-sonnet-20241022', got '%s'", config.Inputs["model"])
+	}
+}
+
+func TestClaudeEngineWithoutVersion(t *testing.T) {
+	engine := NewClaudeEngine()
+
+	// Test without version (should use default)
+	engineConfig := &EngineConfig{
+		ID:    "claude",
+		Model: "claude-3-5-sonnet-20241022",
+	}
+
+	config := engine.GetExecutionConfig("test-workflow", "test-log", engineConfig)
+
+	// Check that default version is used
+	expectedAction := fmt.Sprintf("anthropics/claude-code-base-action@%s", DefaultClaudeActionVersion)
+	if config.Action != expectedAction {
+		t.Errorf("Expected action '%s', got '%s'", expectedAction, config.Action)
+	}
+}
diff --git a/pkg/workflow/codex_test.go b/pkg/workflow/codex_test.go
index 45ac0b3f77..1a23a01d9b 100644
--- a/pkg/workflow/codex_test.go
+++ b/pkg/workflow/codex_test.go
@@ -1,6 +1,7 @@
 package workflow
 
 import (
+	"fmt"
 	"os"
 	"path/filepath"
 	"strings"
@@ -166,7 +167,7 @@ This is a test workflow.
 				if !strings.Contains(lockContent, "Execute Claude Code Action") {
 					t.Errorf("Expected lock file to contain 'Execute Claude Code Action' step but it didn't.\nContent:\n%s", lockContent)
 				}
-				if !strings.Contains(lockContent, "anthropics/claude-code-base-action@beta") {
+				if !strings.Contains(lockContent, fmt.Sprintf("anthropics/claude-code-base-action@%s", DefaultClaudeActionVersion)) {
 					t.Errorf("Expected lock file to contain Claude Code action but it didn't.\nContent:\n%s", lockContent)
 				}
 				// Check that prompt printing step is present