diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 8b54005..a044471 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -9,12 +9,10 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: "1.22"
+          go-version: 1.23.0-rc.1
           cache: false
       - run: make check
-        env:
-          SKIP_LINT: true
-          GOEXPERIMENT: rangefunc
+        env: { SKIP_LINT: true }
       # - uses: golangci/golangci-lint-action@v4
       #   with: { version: "latest" }
       - run: make cov
@@ -30,7 +28,6 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
-          go-version: "1.22"
+          go-version: 1.23.0-rc.1
           cache: false
       - run: make test
-        env: { GOEXPERIMENT: rangefunc }
diff --git a/Makefile b/Makefile
index b029c36..118d491 100644
--- a/Makefile
+++ b/Makefile
@@ -17,4 +17,4 @@ test:
 
 cov: SHELL:=/bin/bash
 cov:
-	$(GO_BINARY) test -race -coverprofile=coverage.txt -covermode=atomic $$( go list ./... | grep -v assert )
+	$(GO_BINARY) test -race -coverprofile=coverage.txt -covermode=atomic $$( go list ./... | grep -v assert | grep -v future )
diff --git a/go.mod b/go.mod
index d1f7ed6..0f299ea 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module github.com/BooleanCat/go-functional/v2
 
-go 1.22
+go 1.23