diff --git a/.github/workflows/create-package.yml b/.github/workflows/create-package.yml
index f06685d..e1c40d7 100644
--- a/.github/workflows/create-package.yml
+++ b/.github/workflows/create-package.yml
@@ -84,7 +84,7 @@ jobs:
 
                 set -euo pipefail
 
-                if [[ -n "${INCLUDE_DEPENDENCIES+x}" ]]; then
+                if [[ "${INCLUDE_DEPENDENCIES}" == "true" ]]; then
                   create-package \
                     --cache-location "${HOME}"/carton-cache \
                     --destination "${HOME}"/buildpack \
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 78eb70a..4ba2800 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -77,7 +77,7 @@ jobs:
 
                 set -euo pipefail
 
-                if [[ -n "${INCLUDE_DEPENDENCIES+x}" ]]; then
+                if [[ "${INCLUDE_DEPENDENCIES}" == "true" ]]; then
                   create-package \
                     --cache-location "${HOME}"/carton-cache \
                     --destination "${HOME}"/buildpack \