diff --git a/tasks/openapi-generate/task.yaml b/tasks/openapi-generate/task.yaml
index 442c0bb..dcbd3ad 100644
--- a/tasks/openapi-generate/task.yaml
+++ b/tasks/openapi-generate/task.yaml
@@ -16,7 +16,7 @@ spec:
     - name: specDomain
       type: string
       default: ""
-    - name: specVersion
+    - name: version
       description: Rust crate version
       type: string
       default: "0.0.0"
@@ -69,7 +69,7 @@ spec:
           -g $(params.generator) \
           -o $OUTPUT \
           --additional-properties=packageName="${PACKAGE_NAME}" \
-          --additional-properties=packageVersion=$(params.specVersion) \
+          --additional-properties=packageVersion=$(params.version) \
           --additional-properties=publish=true \
           --additional-properties=disableValidator=false \
           "${GENERATOR_OPTIONS[@]}"  # 배열 확장
diff --git a/tasks/openapi-version/task.yaml b/tasks/openapi-version/task.yaml
index 0af9c59..79ea99f 100644
--- a/tasks/openapi-version/task.yaml
+++ b/tasks/openapi-version/task.yaml
@@ -8,13 +8,12 @@ spec:
       type: string
       description: context directory
       default: ""
+    - name: ref
+      type: string
+      description: Full Git ref string (e.g., refs/tags/v0.2.0)
     - name: specDomain
       type: string
       default: ""
-    - name: specVersion
-      description: Rust crate version
-      type: string
-      default: "0.0.0"
   workspaces:
     - name: base
       description: Git-cloned source code
@@ -30,16 +29,24 @@ spec:
           value: /workspace/base/$(params.context)/home
       script: |
         set -e
+
+        echo "🔍 Extracting tag from Git ref..."
+        FULL_REF="$(params.ref)"
+        TAG_FROM_REF=$(basename "$FULL_REF")  # → 0.2.0
+
         OPENAPI_FILE="specs/$(params.specDomain)/openapi.yaml"
-        EXPECTED_VERSION="$(params.specVersion)"
-        ACTUAL_VERSION=$(yq '.info.version' "$OPENAPI_FILE")
+        echo "📄 Reading version from openapi.yaml of ${OPENAPI_FILE}..."
+        VERSION=$(yq '.info.version' "$OPENAPI_FILE")
+        TAG_FROM_OPENAPI="${VERSION}"
 
-        echo "Expected: $EXPECTED_VERSION"
-        echo "Actual:   $ACTUAL_VERSION"
+        echo "🔁 Comparing Git tag and workspace version:"
+        echo "   - Git ref tag:      $TAG_FROM_REF"
+        echo "   - openapi version:  $TAG_FROM_OPENAPI"
 
-        if [ "$ACTUAL_VERSION" != "$EXPECTED_VERSION" ]; then
-          echo "❌ Version mismatch! Expected: $EXPECTED_VERSION, Actual: $ACTUAL_VERSION"
+        if [ "$TAG_FROM_REF" != "$TAG_FROM_OPENAPI" ]; then
+          echo "❌ Mismatch! Git tag and openapi version are not the same."
           exit 1
         fi
-        echo "✅ Tag and version match: $ACTUAL_VERSION"
-        echo -n "$ACTUAL_VERSION" > /tekton/results/version
\ No newline at end of file
+
+        echo "✅ Tag and version match: $VERSION"
+        echo -n "$VERSION" > /tekton/results/version
\ No newline at end of file
diff --git a/tasks/rust-nx-merge/task.yaml b/tasks/rust-nx-merge/task.yaml
index e64298b..c6d0a3d 100644
--- a/tasks/rust-nx-merge/task.yaml
+++ b/tasks/rust-nx-merge/task.yaml
@@ -28,6 +28,11 @@ spec:
       default: "main"
       description: Git branch to operate on
 
+    - name: version
+      description: Rust crate version
+      type: string
+      default: "0.0.0"
+
     - name: workspaceName
       type: string
       description: Nx workspace project name to lint and test
@@ -94,8 +99,7 @@ spec:
           npx nx import "${SOURCE_PATH}" "${TARGET_PROJECT}"
 
           # Version sync
-          SRC_VERSION=$(grep '^version =' "${SOURCE_PATH}/Cargo.toml" | cut -d'"' -f2)
-          sed -i.bak "s/^version = .*/version = \"${SRC_VERSION}\"/" "${TARGET_PATH}/Cargo.toml"
+          sed -i.bak "s/^version = .*/version = \"$(params.version)\"/" "${TARGET_PATH}/Cargo.toml"
           rm -f "${TARGET_PATH}/Cargo.toml.bak"
         done