diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9a6560b..4f27b51 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,10 +4,14 @@ jobs:
   check:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-go@v5
+      - uses: actions/checkout@v5
+      - uses: actions/setup-go@v6
         with:
           go-version: "1.22"
+          # Nothing to cache: sesh has no dependencies, so there is no go.sum
+          # for the module cache to key on. Left on, every run attempts and
+          # fails a restore, and the warning trains you to skim annotations.
+          cache: false
       - name: gofmt
         run: test -z "$(gofmt -l .)" || { gofmt -l .; exit 1; }
       - name: vet
diff --git a/.github/workflows/dispatch.yml b/.github/workflows/dispatch.yml
index 4110b42..7e45752 100644
--- a/.github/workflows/dispatch.yml
+++ b/.github/workflows/dispatch.yml
@@ -97,10 +97,10 @@ jobs:
           echo "assembled .sesh/:"; find .sesh -type f | sort
 
       - name: Install Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version: "1.22"
-          cache: true
+          cache: false # no dependencies, so no go.sum to key a module cache on
 
       - name: Install sesh (checksum-verified, via the repo's own installer)
         # install.sh downloads the rolling release, verifies its SHA-256
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 6462c06..2a68105 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -8,10 +8,11 @@ jobs:
   release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-go@v5
+      - uses: actions/checkout@v5
+      - uses: actions/setup-go@v6
         with:
           go-version: "1.22"
+          cache: false # no dependencies, so no go.sum to key a module cache on
       - name: build
         run: |
           mkdir -p dist