diff --git a/internal/adapter/templates/templates/components/service/Dockerfile.tmpl b/internal/adapter/templates/templates/components/service/Dockerfile.tmpl
index fdd1358..a933963 100644
--- a/internal/adapter/templates/templates/components/service/Dockerfile.tmpl
+++ b/internal/adapter/templates/templates/components/service/Dockerfile.tmpl
@@ -10,8 +10,9 @@ ENV GOWORK=/app/go.work
 WORKDIR /app
 
 # Copy go workspace and all source (workspace deps are local)
+# Note: go.work.sum may not exist if no external dependencies have been synced yet
 COPY go.work ./
-COPY go.work.sum ./
+COPY go.work.su[m] ./
 COPY pkg/ ./pkg/
 COPY services/{{COMPONENT_NAME}}/ ./services/{{COMPONENT_NAME}}/
 
diff --git a/internal/adapter/templates/templates/components/worker/Dockerfile.tmpl b/internal/adapter/templates/templates/components/worker/Dockerfile.tmpl
index 3973313..1a723ec 100644
--- a/internal/adapter/templates/templates/components/worker/Dockerfile.tmpl
+++ b/internal/adapter/templates/templates/components/worker/Dockerfile.tmpl
@@ -10,8 +10,9 @@ ENV GOWORK=/app/go.work
 WORKDIR /app
 
 # Copy go workspace and all source (workspace deps are local)
+# Note: go.work.sum may not exist if no external dependencies have been synced yet
 COPY go.work ./
-COPY go.work.sum ./
+COPY go.work.su[m] ./
 COPY pkg/ ./pkg/
 COPY workers/{{COMPONENT_NAME}}/ ./workers/{{COMPONENT_NAME}}/