diff --git a/.github/actions/build-image/Dockerfile b/.github/actions/build-image/Dockerfile
index 07b63a3..840733e 100644
--- a/.github/actions/build-image/Dockerfile
+++ b/.github/actions/build-image/Dockerfile
@@ -5,6 +5,7 @@ ARG TARGETOS
 
 COPY binaries/* /
 RUN mv cup-$TARGETOS-$TARGETARCH cup
+RUN chmod +x cup
 
 FROM scratch
 COPY --from=builder /cup /cup