diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 378001f..1b546a3 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go: [ '1.22', '1.21', '1.20' ]
+        go: [ '1.24', '1.23', '1.22', '1.21', '1.20' ]
     steps:
     - uses: actions/checkout@v4
 
@@ -47,5 +47,5 @@ jobs:
       run: ./bin/task test-coverage
 
     - name: Post run
-      run: ./cc-test-reporter after-build format-coverage -t gocov --prefix github.com/stretchr/objx .cover/c.out --exit-code $?
+      run: ./cc-test-reporter after-build format-coverage -t gocov --prefix github.com/stretchr/objx c.out --exit-code $?
 
diff --git a/Taskfile.yml b/Taskfile.yml
index 8a79e8d..fbd71d2 100644
--- a/Taskfile.yml
+++ b/Taskfile.yml
@@ -7,21 +7,21 @@ tasks:
   lint:
     desc: Checks code style
     cmds:
-      - gofmt -d -s *.go
-      - go vet ./...
+      - gofmt -d -s .
+      - find -name go.mod -execdir go vet ./... \;
     silent: true
 
   lint-fix:
     desc: Fixes code style
     cmds:
-      - gofmt -w -s *.go
+      - gofmt -w -s .
 
   test:
     desc: Runs go tests
     cmds:
-      - go test -race  ./...
+      - find -name go.mod -execdir go test -race ./... \;
 
   test-coverage:
     desc: Runs go tests and calculates test coverage
     cmds:
-      - go test -race -coverprofile=c.out ./...
+      - find -name go.mod -execdir go test -race -coverprofile=c.out ./... \;
diff --git a/go.mod b/go.mod
index 5fd993e..bed99ab 100644
--- a/go.mod
+++ b/go.mod
@@ -2,12 +2,3 @@ module github.com/stretchr/objx
 
 go 1.20
 
-require github.com/stretchr/testify v1.10.0
-
-require (
-	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/pmezard/go-difflib v1.0.0 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
-)
-
-exclude github.com/stretchr/testify v1.8.0
diff --git a/go.sum b/go.sum
index 713a0b4..e69de29 100644
--- a/go.sum
+++ b/go.sum
@@ -1,10 +0,0 @@
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
-github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
-github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
-github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
-gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/accessors_test.go b/internal/tests/accessors_test.go
similarity index 100%
rename from accessors_test.go
rename to internal/tests/accessors_test.go
diff --git a/conversions_test.go b/internal/tests/conversions_test.go
similarity index 100%
rename from conversions_test.go
rename to internal/tests/conversions_test.go
diff --git a/fixture_test.go b/internal/tests/fixture_test.go
similarity index 100%
rename from fixture_test.go
rename to internal/tests/fixture_test.go
diff --git a/internal/tests/go.mod b/internal/tests/go.mod
new file mode 100644
index 0000000..ea88c19
--- /dev/null
+++ b/internal/tests/go.mod
@@ -0,0 +1,16 @@
+module github.com/stretchr/objx/internal/tests
+
+go 1.20
+
+require (
+	github.com/stretchr/objx v0.5.2
+	github.com/stretchr/testify v1.10.0
+)
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
+
+replace github.com/stretchr/objx => ../..
diff --git a/internal/tests/go.sum b/internal/tests/go.sum
new file mode 100644
index 0000000..713a0b4
--- /dev/null
+++ b/internal/tests/go.sum
@@ -0,0 +1,10 @@
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
+github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/map_test.go b/internal/tests/map_test.go
similarity index 100%
rename from map_test.go
rename to internal/tests/map_test.go
diff --git a/mutations_test.go b/internal/tests/mutations_test.go
similarity index 100%
rename from mutations_test.go
rename to internal/tests/mutations_test.go
diff --git a/security_test.go b/internal/tests/security_test.go
similarity index 100%
rename from security_test.go
rename to internal/tests/security_test.go
diff --git a/simple_example_test.go b/internal/tests/simple_example_test.go
similarity index 100%
rename from simple_example_test.go
rename to internal/tests/simple_example_test.go
diff --git a/tests_test.go b/internal/tests/tests_test.go
similarity index 100%
rename from tests_test.go
rename to internal/tests/tests_test.go
diff --git a/type_specific_codegen_test.go b/internal/tests/type_specific_codegen_test.go
similarity index 100%
rename from type_specific_codegen_test.go
rename to internal/tests/type_specific_codegen_test.go
diff --git a/type_specific_test.go b/internal/tests/type_specific_test.go
similarity index 100%
rename from type_specific_test.go
rename to internal/tests/type_specific_test.go
diff --git a/value_test.go b/internal/tests/value_test.go
similarity index 100%
rename from value_test.go
rename to internal/tests/value_test.go