diff --git a/entrypoint.sh b/entrypoint.sh
index f2e1006..53a2773 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -39,17 +39,16 @@ get_event_keyvalue() {
   fi
 }
 
-echo ::set-env name=GITHUB_REPOSITORY_SLUG::"$(slug "$GITHUB_REPOSITORY")"
-echo ::set-env name=GITHUB_REPOSITORY_SLUG_URL::"$(slug_url "$GITHUB_REPOSITORY")"
-
-echo ::set-env name=GITHUB_REF_SLUG::"$(slug_ref "$GITHUB_REF")"
-echo ::set-env name=GITHUB_HEAD_REF_SLUG::"$(slug_ref "$GITHUB_HEAD_REF")"
-echo ::set-env name=GITHUB_BASE_REF_SLUG::"$(slug_ref "$GITHUB_BASE_REF")"
-echo ::set-env name=GITHUB_EVENT_REF_SLUG::"$(slug_ref "$(get_event_keyvalue "ref")")"
-
-echo ::set-env name=GITHUB_REF_SLUG_URL::"$(slug_url_ref "$GITHUB_REF")"
-echo ::set-env name=GITHUB_HEAD_REF_SLUG_URL::"$(slug_url_ref "$GITHUB_HEAD_REF")"
-echo ::set-env name=GITHUB_BASE_REF_SLUG_URL::"$(slug_url_ref "$GITHUB_BASE_REF")"
-echo ::set-env name=GITHUB_EVENT_REF_SLUG_URL::"$(slug_url_ref "$(get_event_keyvalue "ref")")"
-
-echo ::set-env name=GITHUB_SHA_SHORT::"$(short_sha "$GITHUB_SHA")"
+{
+  echo "GITHUB_REPOSITORY_SLUG=$(slug "$GITHUB_REPOSITORY")"
+  echo "GITHUB_REPOSITORY_SLUG_URL=$(slug_url "$GITHUB_REPOSITORY")"
+  echo "GITHUB_REF_SLUG=$(slug_ref "$GITHUB_REF")"
+  echo "GITHUB_HEAD_REF_SLUG=$(slug_ref "$GITHUB_HEAD_REF")"
+  echo "GITHUB_BASE_REF_SLUG=$(slug_ref "$GITHUB_BASE_REF")"
+  echo "GITHUB_EVENT_REF_SLUG=$(slug_ref "$(get_event_keyvalue "ref")")"
+  echo "GITHUB_REF_SLUG_URL=$(slug_url_ref "$GITHUB_REF")"
+  echo "GITHUB_HEAD_REF_SLUG_URL=$(slug_url_ref "$GITHUB_HEAD_REF")"
+  echo "GITHUB_BASE_REF_SLUG_URL=$(slug_url_ref "$GITHUB_BASE_REF")"
+  echo "GITHUB_EVENT_REF_SLUG_URL=$(slug_url_ref "$(get_event_keyvalue "ref")")"
+  echo "GITHUB_SHA_SHORT=$(short_sha "$GITHUB_SHA")"
+} >>"$GITHUB_ENV"