diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index ab118df..ace7b36 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -11,10 +11,10 @@ jobs:
   build-and-test:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Set up Go
-      uses: actions/setup-go@v4
+      uses: actions/setup-go@v5
       with:
         go-version-file: 'go.mod'
 
diff --git a/.github/workflows/golangci-lint.yml b/.github/workflows/golangci-lint.yml
index 55f2cba..d7bbb90 100644
--- a/.github/workflows/golangci-lint.yml
+++ b/.github/workflows/golangci-lint.yml
@@ -10,19 +10,19 @@ jobs:
     name: lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-go@v4
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
         with:
           go-version-file: 'go.mod'
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v3
+        uses: golangci/golangci-lint-action@v6
         with:
           # Optional: version of golangci-lint to use in form of v1.2 or v1.2.3 or `latest` to use the latest version
-          version: v1.58.0
+          version: v1.62.0
       - name: golangci-lint warnings
-        uses: golangci/golangci-lint-action@v3
+        uses: golangci/golangci-lint-action@v6
         with:
           # Optional: version of golangci-lint to use in form of v1.2 or v1.2.3 or `latest` to use the latest version
-          version: v1.58.0
+          version: v1.62.0
           # Optional: golangci-lint command line arguments.
           args: -c .golangci-warnings.yml
diff --git a/abi/encode_test.go b/abi/encode_test.go
index e6acd19..e337ef6 100644
--- a/abi/encode_test.go
+++ b/abi/encode_test.go
@@ -894,14 +894,14 @@ func addPrimitiveRandomValues(t *testing.T, pool *map[TypeKind][]testUnit) {
 	ufixedIndex := 0
 
 	for bitSize := uintBegin; bitSize <= uintEnd; bitSize += uintStepLength {
-		max := new(big.Int).Lsh(big.NewInt(1), uint(bitSize))
+		lshBase := new(big.Int).Lsh(big.NewInt(1), uint(bitSize))
 
 		uintT, err := makeUintType(bitSize)
 		require.NoError(t, err, "make uint type failure")
 		uintTstr := uintT.String()
 
 		for j := 0; j < uintTestCaseCount; j++ {
-			randVal, err := rand.Int(rand.Reader, max)
+			randVal, err := rand.Int(rand.Reader, lshBase)
 			require.NoError(t, err, "generate random uint, should be no error")
 
 			narrowest, err := castBigIntToNearestPrimitive(randVal, uint16(bitSize))
@@ -912,7 +912,7 @@ func addPrimitiveRandomValues(t *testing.T, pool *map[TypeKind][]testUnit) {
 		}
 
 		for precision := 1; precision <= ufixedPrecision; precision++ {
-			randVal, err := rand.Int(rand.Reader, max)
+			randVal, err := rand.Int(rand.Reader, lshBase)
 			require.NoError(t, err, "generate random ufixed, should be no error")
 
 			narrowest, err := castBigIntToNearestPrimitive(randVal, uint16(bitSize))
diff --git a/go.mod b/go.mod
index 79d1562..f6d0e1b 100644
--- a/go.mod
+++ b/go.mod
@@ -1,12 +1,12 @@
 module github.com/algorand/avm-abi
 
-go 1.21
+go 1.23
 
-toolchain go1.21.10
+toolchain go1.23.3
 
 require (
 	github.com/chrismcguire/gobberish v0.0.0-20150821175641-1d8adb509a0e
-	github.com/stretchr/testify v1.8.4
+	github.com/stretchr/testify v1.9.0
 )
 
 require (
diff --git a/go.sum b/go.sum
index af8417d..a24f021 100644
--- a/go.sum
+++ b/go.sum
@@ -4,8 +4,8 @@ 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 v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
-github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
+github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/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=