diff --git a/snap/snapcraft.yaml b/snap/snapcraft.yaml
index d47ea1eca..88a884c6d 100644
--- a/snap/snapcraft.yaml
+++ b/snap/snapcraft.yaml
@@ -83,7 +83,7 @@ parts:
       # We set this environment variable while building to try and increase the
       # stability of fetching the rust crates needed to build the cryptography
       # library.
-      - CARGO_NET_GIT_FETCH_WITH_CLI: true
+      - CARGO_NET_GIT_FETCH_WITH_CLI: "true"
       - SNAPCRAFT_PYTHON_VENV_ARGS: --upgrade
       # Constraints are passed through the environment variable PIP_CONSTRAINTS instead of using the
       # parts.[part_name].constraints option available in snapcraft.yaml when the Python plugin is
diff --git a/tools/snap/generate_dnsplugins_snapcraft.sh b/tools/snap/generate_dnsplugins_snapcraft.sh
index a5313d1a4..efa647366 100755
--- a/tools/snap/generate_dnsplugins_snapcraft.sh
+++ b/tools/snap/generate_dnsplugins_snapcraft.sh
@@ -30,7 +30,7 @@ parts:
       # We set this environment variable while building to try and increase the
       # stability of fetching the rust crates needed to build the cryptography
       # library.
-      - CARGO_NET_GIT_FETCH_WITH_CLI: true
+      - CARGO_NET_GIT_FETCH_WITH_CLI: "true"
       # Constraints are passed through the environment variable PIP_CONSTRAINTS instead of using the
       # parts.[part_name].constraints option available in snapcraft.yaml when the Python plugin is
       # used. This is done to let these constraints be applied not only on the certbot package