diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index a388a043..a2894a61 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -83,11 +83,12 @@ jobs:
             echo "prefix=${prefix}"
           } >> "${GITHUB_OUTPUT}"
 
+      # Sentry release is shoc-frontend@${GITHUB_SHA} via VITE_APP_COMMIT_SHA,
+      # distinct from the S3/Terraform version_label.
       - name: Upload private source maps
         run: bash scripts/upload-sourcemaps.sh
         env:
           SENTRY_AUTH_TOKEN: ${{ secrets.SENTRY_AUTH_TOKEN }}
-          SENTRY_RELEASE: ${{ steps.release.outputs.version_label }}
 
       - name: Read previous release pointer
         id: pointer
diff --git a/scripts/upload-sourcemaps.sh b/scripts/upload-sourcemaps.sh
index a5a91781..d790e674 100755
--- a/scripts/upload-sourcemaps.sh
+++ b/scripts/upload-sourcemaps.sh
@@ -6,18 +6,13 @@ set -euo pipefail
 SENTRY_ORG="${SENTRY_ORG:-seahaven}"
 SENTRY_PROJECT="${SENTRY_PROJECT:-shoc-frontend}"
 COMMIT_SHA="${VITE_APP_COMMIT_SHA:-${GITHUB_SHA:-}}"
-RELEASE_LABEL="${SENTRY_RELEASE:-${RELEASE_LABEL:-}}"
 
-if [[ -n "${RELEASE_LABEL}" ]]; then
-  RELEASE="${RELEASE_LABEL}"
-else
-  if [[ ! "${COMMIT_SHA}" =~ ^[0-9a-fA-F]{40}$ ]]; then
-    echo "::error::Source-map upload requires a 40-character VITE_APP_COMMIT_SHA or GITHUB_SHA." >&2
-    exit 1
-  fi
-  COMMIT_SHA="$(printf '%s' "${COMMIT_SHA}" | tr '[:upper:]' '[:lower:]')"
-  RELEASE="shoc-frontend@${COMMIT_SHA}"
+if [[ ! "${COMMIT_SHA}" =~ ^[0-9a-fA-F]{40}$ ]]; then
+  echo "::error::Source-map upload requires a 40-character VITE_APP_COMMIT_SHA or GITHUB_SHA." >&2
+  exit 1
 fi
+COMMIT_SHA="$(printf '%s' "${COMMIT_SHA}" | tr '[:upper:]' '[:lower:]')"
+RELEASE="shoc-frontend@${COMMIT_SHA}"
 
 npm exec --no -- sentry-cli sourcemaps upload \
   --org "${SENTRY_ORG}" \