diff --git a/.forgejo/workflows/ci.yml b/.forgejo/workflows/ci.yml
index 7be5fc9..3774cde 100644
--- a/.forgejo/workflows/ci.yml
+++ b/.forgejo/workflows/ci.yml
@@ -24,7 +24,6 @@ jobs:
           path: |
             ~/.cargo/registry
             ~/.cargo/git
-            target
           key: cargo-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: |
             cargo-${{ runner.os }}-
@@ -33,10 +32,11 @@ jobs:
         uses: actions/cache@v4
         with:
           path: /root/.cache/sccache
-          # Not keyed to Cargo.lock: sccache caches individual compiler
-          # invocations by content hash, so it should accumulate across
-          # dependency bumps rather than reset like the target/ cache above.
-          key: sccache-${{ runner.os }}-${{ github.run_id }}
+          # Keyed to Cargo.lock, not github.run_id: a per-run key never
+          # gets an exact hit, so actions/cache re-uploads the full
+          # sccache dir on every single run even when nothing changed.
+          # This still refreshes whenever dependencies bump.
+          key: sccache-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: |
             sccache-${{ runner.os }}-
 
@@ -54,7 +54,6 @@ jobs:
           path: |
             ~/.cargo/registry
             ~/.cargo/git
-            target
           key: cargo-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: |
             cargo-${{ runner.os }}-
@@ -63,7 +62,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: /root/.cache/sccache
-          key: sccache-${{ runner.os }}-${{ github.run_id }}
+          key: sccache-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: |
             sccache-${{ runner.os }}-
 
@@ -81,7 +80,6 @@ jobs:
           path: |
             ~/.cargo/registry
             ~/.cargo/git
-            target
           key: cargo-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: |
             cargo-${{ runner.os }}-
@@ -90,7 +88,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: /root/.cache/sccache
-          key: sccache-${{ runner.os }}-${{ github.run_id }}
+          key: sccache-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: |
             sccache-${{ runner.os }}-
 
@@ -115,7 +113,6 @@ jobs:
           path: |
             ~/.cargo/registry
             ~/.cargo/git
-            target
           key: cargo-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: |
             cargo-${{ runner.os }}-
@@ -124,7 +121,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: /root/.cache/sccache
-          key: sccache-${{ runner.os }}-${{ github.run_id }}
+          key: sccache-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: |
             sccache-${{ runner.os }}-
 
@@ -143,7 +140,6 @@ jobs:
           path: |
             ~/.cargo/registry
             ~/.cargo/git
-            target
           key: cargo-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: |
             cargo-${{ runner.os }}-
@@ -152,7 +148,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: /root/.cache/sccache
-          key: sccache-${{ runner.os }}-${{ github.run_id }}
+          key: sccache-${{ runner.os }}-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: |
             sccache-${{ runner.os }}-