diff --git a/.github/workflows/cifuzz.yml b/.github/workflows/cifuzz.yml
index 3817a536..3c7a3389 100644
--- a/.github/workflows/cifuzz.yml
+++ b/.github/workflows/cifuzz.yml
@@ -21,14 +21,14 @@ jobs:
        fuzz-seconds: 300
        output-sarif: true
    - name: Upload Crash
-     uses: actions/upload-artifact@v4
+     uses: actions/upload-artifact@v5
      if: failure() && steps.build.outcome == 'success'
      with:
        name: artifacts
        path: ./out/artifacts
    - name: Upload Sarif
      if: always() && steps.build.outcome == 'success'
-     uses: github/codeql-action/upload-sarif@v2
+     uses: github/codeql-action/upload-sarif@v3
      with:
       # Path to SARIF file relative to the root of the repository
       sarif_file: cifuzz-sarif/results.sarif
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 733b366c..70957e87 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -4,8 +4,8 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-go@v3
+      - uses: actions/checkout@v5
+      - uses: actions/setup-go@v6
         with:
           go-version: 1.25
       - run: sudo apt-get install libpcap-dev
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b1618976..cf0e9a0e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -4,8 +4,8 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-go@v3
+      - uses: actions/checkout@v5
+      - uses: actions/setup-go@v6
         with:
           go-version: 1.25
       - run: sudo apt-get install libpcap-dev libcap2-bin
@@ -17,6 +17,6 @@ jobs:
       - name: Run coverage
         run: sudo --preserve-env=PATH capsh --inh=cap_net_raw --print -- -c "go test -v -race -coverprofile=coverage.txt -covermode=atomic ./..."
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v4
+        uses: codecov/codecov-action@v5
         env:
           CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
diff --git a/ntp/responder/server/server_test.go b/ntp/responder/server/server_test.go
index 8307d0e4..058d84bd 100644
--- a/ntp/responder/server/server_test.go
+++ b/ntp/responder/server/server_test.go
@@ -124,7 +124,7 @@ func TestListener(t *testing.T) {
 			ExpectedListeners: 1,
 			ExpectedWorkers:   0,
 		},
-		Config: Config{Workers: 42, TimestampType: timestamp.SW, Iface: "lo"},
+		Config: Config{Workers: 42, TimestampType: timestamp.SWRX, Iface: "lo"},
 	}
 	conn := tryListenUDP(t)
 	defer conn.Close()
@@ -172,7 +172,7 @@ func TestServer(t *testing.T) {
 		},
 		Stats:  &stats.JSONStats{},
 		tasks:  make(chan task, workers),
-		Config: Config{Workers: workers, TimestampType: timestamp.SW, Iface: "lo"},
+		Config: Config{Workers: workers, TimestampType: timestamp.SWRX, Iface: "lo"},
 	}
 	// create workers
 	for range workers {