diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 45d606a6..3054d564 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,9 +18,9 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Setup Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
-          go-version: 1.25
+          go-version-file: ./go.mod
 
       - name: Create fake PHP and .phar files
         run: |
diff --git a/Makefile b/Makefile
index fb9d0464..80e15a54 100644
--- a/Makefile
+++ b/Makefile
@@ -97,9 +97,7 @@ lint: lint-gomod lint-golangci ## Run linters.
 
 .PHONY: lint-gomod
 lint-gomod:
-ifneq ($(shell go mod tidy -v 2>/dev/stdout | tee /dev/stderr | grep -c 'unused '),0)
-	@false
-endif
+	go mod tidy -diff
 
 .PHONY: lint-golangci
 lint-golangci:
diff --git a/go.sum b/go.sum
index 1e72946e..da5c35b1 100644
--- a/go.sum
+++ b/go.sum
@@ -280,8 +280,6 @@ github.com/pjbgf/sha1cd v0.3.2 h1:a9wb0bp1oC2TGwStyn0Umc/IGKQnEgF0vVaZ8QF8eo4=
 github.com/pjbgf/sha1cd v0.3.2/go.mod h1:zQWigSxVmsHEZow5qaLtPYxpcKMMQpa09ixqBxuCS6A=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
-github.com/platformsh/platformify v0.4.1 h1:SJCcCDjIF13KVUNdZtm3SC1uy6iWFhtvJIljqAuIbXQ=
-github.com/platformsh/platformify v0.4.1/go.mod h1:fgmCcfQfHbhe1oXsIdIhpnniyZu8IdIMOlcBAa/ygic=
 github.com/platformsh/platformify v0.4.2 h1:1qrU86HyF+h5V5Jfw5QugavriEq0t5nWvTqHi39tBXQ=
 github.com/platformsh/platformify v0.4.2/go.mod h1:fgmCcfQfHbhe1oXsIdIhpnniyZu8IdIMOlcBAa/ygic=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=