diff --git a/Makefile b/Makefile
index f4ddd40..fa64ca9 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 IMAGE_REPO=ghcr.io/trstringer/manual-approval
-TARGET_PLATFORM?=linux/amd64
+TARGET_PLATFORM=linux/amd64
 
 .PHONY: tidy
 tidy:
diff --git a/action.yaml b/action.yaml
index 3a4d5ac..0126c0a 100644
--- a/action.yaml
+++ b/action.yaml
@@ -50,4 +50,4 @@ outputs:
     description: The status of the approval ("approved" or "denied")
 runs:
   using: docker
-  image: docker://ghcr.io/trstringer/manual-approval:latest
+  image: docker://ghcr.io/trstringer/manual-approval:1.10.0