diff --git a/.github/workflows/bench.yaml b/.github/workflows/bench.yaml
index b67a4f3..19b2d01 100644
--- a/.github/workflows/bench.yaml
+++ b/.github/workflows/bench.yaml
@@ -25,12 +25,12 @@ jobs:
       contents: read
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0
 
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@v7
         with:
           go-version-file: go.mod
           check-latest: true
diff --git a/.github/workflows/codeql.yaml b/.github/workflows/codeql.yaml
index 2503737..7cc3154 100644
--- a/.github/workflows/codeql.yaml
+++ b/.github/workflows/codeql.yaml
@@ -20,12 +20,12 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-depth: 2
 
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@v7
         with:
           go-version-file: go.mod
           check-latest: true
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index a04bd26..c0c4bb1 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -28,10 +28,10 @@ jobs:
       id-token: write
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@v7
         with:
           go-version-file: go.mod
           check-latest: true
@@ -50,7 +50,7 @@ jobs:
 
       - name: Upload coverage to Codecov
         if: success()
-        uses: codecov/codecov-action@v6
+        uses: codecov/codecov-action@v7
         with:
           report_type: coverage
           flags: ${{ runner.os }}-${{ runner.arch }}
@@ -59,7 +59,7 @@ jobs:
 
       - name: Upload test results
         if: always()
-        uses: codecov/codecov-action@v6
+        uses: codecov/codecov-action@v7
         with:
           report_type: test_results
           name: test-results
@@ -70,10 +70,10 @@ jobs:
     runs-on: ubuntu-slim
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Install Go
-        uses: actions/setup-go@v6
+        uses: actions/setup-go@v7
         with:
           go-version-file: go.mod
           check-latest: true
diff --git a/Makefile b/Makefile
index 04bcd74..f0f0313 100644
--- a/Makefile
+++ b/Makefile
@@ -6,8 +6,6 @@
 # -----------------------------------------------------------------------------
 # go
 
-GO_VERSION ?= $(shell grep -rh "^go " --include="go.mod" . 2>/dev/null | cut -d' ' -f2 | sort | uniq -c | sort -nr | head -1 | xargs | cut -d' ' -f2 | grep . || echo unknown)
-GO_STABLE_VERSION = $(shell curl -sSL "https://go.dev/dl/?mode=json" | jq -r '[ .[] | select(.stable == true) ][0].version' | grep -oE '[0-9]+\.[0-9]+')
 GO_BUILDTAGS = osusergo,netgo,static
 GO_LDFLAGS = -s -w
 ifeq ($(GO_OS),linux)
@@ -15,10 +13,7 @@ GO_LDFLAGS += "-extldflags=-static"
 endif
 GO_FLAGS ?= -tags='${GO_BUILDTAGS}' -ldflags='${GO_LDFLAGS}'
 
-GOEXPERIMENT := runtimefreegc,sizespecializedmalloc,runtimesecret
-ifeq ($(findstring ${GO_STABLE_VERSION},${GO_VERSION}),)
-GOEXPERIMENT := ${GOEXPERIMENT},simd,runtimesecret,mapsplitgroup
-endif
+GOEXPERIMENT ?= simd,runtimesecret
 export GOEXPERIMENT
 
 TOOLS_BIN = ${CURDIR}/bin