diff --git a/.forgejo/workflows/ci.yml b/.forgejo/workflows/ci.yml
index 3774cde..16359c7 100644
--- a/.forgejo/workflows/ci.yml
+++ b/.forgejo/workflows/ci.yml
@@ -144,6 +144,20 @@ jobs:
           restore-keys: |
             cargo-${{ runner.os }}-
 
+      # Own key, not shared with the clippy jobs above: this job is the
+      # only one that needs full codegen (clippy's check-only builds
+      # produce metadata, not the linkable artifacts `cargo test` needs,
+      # so there's nothing to share either way), and it never touches
+      # feedsignal-web, so its target/ stays far smaller than a build
+      # covering every crate's feature set.
+      - name: Cache test target directory
+        uses: actions/cache@v4
+        with:
+          path: target
+          key: target-test-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            target-test-${{ runner.os }}-
+
       - name: Cache sccache compilation objects
         uses: actions/cache@v4
         with: