diff --git a/Dockerfile b/Dockerfile
index e0c189f..094a0f1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,8 +14,9 @@ RUN apk --update add --no-cache \
       curl \
       jq && \
     curl -L https://api.github.com/repos/mikefarah/yq/releases/latest | \
-      jq -r '.assets[] | select(.name | contains("yq_linux_amd64")) | .browser_download_url' | \
-      xargs -I {} curl -L -o /tmp/yq {}
+      jq -r '.assets[] | select(.name | endswith("yq_linux_amd64")) | .browser_download_url' | \
+      xargs -I {} curl -L -o /tmp/yq {} && \
+    chmod +x /tmp/yq
 
 FROM debian:11-slim