diff --git a/Makefile.packaging b/Makefile.packaging
index ab5b7b7f4..e5421b103 100644
--- a/Makefile.packaging
+++ b/Makefile.packaging
@@ -197,5 +197,5 @@ gpg-key: ## Generate GPG public key
 
 release: ## Publish tarball to the UPLOAD_URL
 	echo "Publishing nginx-agent packages to ${UPLOAD_URL}"; \
-	curl -XPOST -F "file=@$(PACKAGES_DIR)/${PACKAGE_PREFIX}.tar.gz" -H "Token: ${TOKEN}" ${UPLOAD_URL}; \
-	curl -XPOST -F "file=@$(GPG_PUBLIC_KEY)" -H "Token: ${TOKEN}" ${UPLOAD_URL}; \
+	curl -XPOST --fail -F "file=@$(PACKAGES_DIR)/${PACKAGE_PREFIX}.tar.gz" -H "Token: ${TOKEN}" ${UPLOAD_URL}; \
+	curl -XPOST --fail -F "file=@$(GPG_PUBLIC_KEY)" -H "Token: ${TOKEN}" ${UPLOAD_URL}; \