diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index f7c74b6bd..0e554cf59 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -250,6 +250,14 @@ jobs:
       - uses: actions/checkout@v4
       - uses: DeterminateSystems/nix-installer-action@786fff0690178f1234e4e1fe9b536e94f5433196 #v20
       - uses: DeterminateSystems/magic-nix-cache-action@565684385bcd71bad329742eefe8d12f2e765b39 #v13
+      - name: Check golang flake input is up to date
+        working-directory: ffi
+        run: |
+          nix flake update golang
+          if ! git diff --exit-code flake.lock; then
+            echo "Error: ffi/flake.lock is out of date. Run 'nix flake update golang' in the ffi directory and commit the changes."
+            exit 1
+          fi
       - name: Test build equivalency between Nix and Cargo
         run: bash -x ./ffi/test-build-equivalency.sh
       - name: Test Go FFI bindings
diff --git a/ffi/flake.lock b/ffi/flake.lock
index e95d44ffe..2eda9b50c 100644
--- a/ffi/flake.lock
+++ b/ffi/flake.lock
@@ -39,17 +39,17 @@
       },
       "locked": {
         "dir": "nix/go",
-        "lastModified": 1760457933,
-        "narHash": "sha256-/OztRdmXd3cL6ycrzRYAgFkPTv9v5WWlcdtVlERaRKI=",
+        "lastModified": 1760973838,
+        "narHash": "sha256-UnngvRB45lUeWwot7cvB0MaedaQEQmcw+q8Y6WbeGtE=",
         "owner": "ava-labs",
         "repo": "avalanchego",
-        "rev": "edf67505fee7c95837c2220467de86fea0efc860",
+        "rev": "f10757d594eedf0f016bc1400739788c542f005f",
         "type": "github"
       },
       "original": {
         "dir": "nix/go",
         "owner": "ava-labs",
-        "ref": "edf67505fee7c95837c2220467de86fea0efc860",
+        "ref": "f10757d594eedf0f016bc1400739788c542f005f",
         "repo": "avalanchego",
         "type": "github"
       }
diff --git a/ffi/go.mod b/ffi/go.mod
index be46486ab..9eaa265c2 100644
--- a/ffi/go.mod
+++ b/ffi/go.mod
@@ -4,7 +4,7 @@ go 1.24
 
 // Changes to the toolchain version should be replicated in:
 //   - ffi/go.mod (here)
-//   - ffi/flake.nix (update golang.url to a version of avalanchego's nix/go/flake.nix that uses the desired version)
+//   - ffi/flake.nix (update golang.url to a version of avalanchego's nix/go/flake.nix that uses the desired version and run `nix flake update golang`)
 //   - ffi/tests/eth/go.mod
 //   - ffi/tests/firewood/go.mod
 toolchain go1.24.9