diff --git a/.forgejo/workflows/build_release.yml b/.forgejo/workflows/build_release.yml
index bcdf1398d..d6ca6c232 100755
--- a/.forgejo/workflows/build_release.yml
+++ b/.forgejo/workflows/build_release.yml
@@ -407,32 +407,36 @@ jobs:
             fork_delta_label="Fork delta vs ${UPSTREAM_REPO}@${UPSTREAM_REF} (${UPSTREAM_BASE})"
           fi
 
-          release_body="$(printf '%s\n' \
-            "#### What's Changed" \
-            "" \
-            "##### New" \
-            "" \
-            "##### Improve" \
-            "" \
-            "##### Fix" \
-            "" \
-            "${commit_logs}" \
-            "" \
-            "##### Based on" \
-            "" \
-            "${fork_delta_label}" \
-            "" \
-            "${full_changelog}" \
-            "" \
-            "<!-->" \
-            "> [!TIP]" \
-            ">" \
-            "> ### If you are unsure which version to download then go with \`Komikku-universal.apk\`")"
+          release_body_file="$(mktemp)"
+          {
+            printf '%s\n' \
+              "#### What's Changed" \
+              "" \
+              "##### New" \
+              "" \
+              "##### Improve" \
+              "" \
+              "##### Fix" \
+              "" \
+              "${commit_logs}" \
+              "" \
+              "##### Based on" \
+              "" \
+              "${fork_delta_label}" \
+              "" \
+              "${full_changelog}" \
+              "" \
+              "<!-->" \
+              "> [!TIP]" \
+              ">" \
+              "> ### If you are unsure which version to download then go with \`Komikku-universal.apk\`"
+          } > "${release_body_file}"
 
+          # Build JSON — body from file only (jq --arg body "$huge" hits ARG_MAX).
           "${JQ_BIN}" -n \
             --arg tag "${VERSION_TAG}" \
             --arg title "Komikku ${VERSION_DISPLAY}" \
-            --arg body "${release_body}" \
+            --rawfile body "${release_body_file}" \
             '{tag_name: $tag, name: $title, body: $body, draft: false, prerelease: false}' > "${payload_file}"
 
           tag_path_enc="$("${JQ_BIN}" -nr --arg t "${VERSION_TAG}" '$t|@uri')"