diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index d43e7952..fd8b9e9f 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -625,6 +625,8 @@ parts:
       source: https://github.com/sigstore/cosign.git
       go-importpath: github.com/sigstore/cosign/cmd/cosign
       source-commit: 33973d078170f586cf27f2cc464844b3f1fa1abb
+      build-environment:
+        - GOFLAGS:  "$GOFLAGS -modcacherw"
       override-build: |
         export GOROOT=/usr/local/go1.17
         export PATH="$GOROOT/bin:$PATH"