diff --git a/Dockerfile b/Dockerfile
index b67f1c4..b9b149a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -10,7 +10,7 @@ RUN go mod download
 COPY . .
 
 # Run all checks — build fails if branch is not green
-RUN go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest
+RUN go install github.com/golangci/golangci-lint/cmd/golangci-lint@v2.1.6
 RUN make check
 
 ARG VERSION=dev