diff --git a/.github/workflows/go.yaml b/.github/workflows/go.yaml
index c617020..6552902 100644
--- a/.github/workflows/go.yaml
+++ b/.github/workflows/go.yaml
@@ -23,14 +23,14 @@ jobs:
           find . -name "go.mod" -execdir $(go env GOPATH)/bin/golangci-lint run 
           --timeout=2m0s 
           --out-format=checkstyle:golangci-lint-report.xml 
-          --skip-dirs="internal/group/" \;
+          --skip-dirs="lib/group/" \;
       
       - name: Check golangci-lint report for errors
         run: find . -name "golangci-lint-report.xml" -exec grep "error" {} + && exit 1 || true
 
       - name: Upload golangci-lint report
         if: always()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: golangci-lint-report
           path: |
@@ -88,7 +88,7 @@ jobs:
 
       - name: Upload Go test reports
         if: always()
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: go-test-results
           path: |
@@ -110,7 +110,7 @@ jobs:
           fetch-depth: 0 # fetch all history for all tags and branches to provide more metadata for sonar reports
 
       - name: Download all workflow run artifacts
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
 
       - name: Update golangci-lint report symlinks 
         # When golangci-lint is run in a multimodule project, it creates a report with relative paths to the files which should be updated
diff --git a/go/tdh2/internal/group/LICENSE b/go/tdh2/lib/group/LICENSE
similarity index 100%
rename from go/tdh2/internal/group/LICENSE
rename to go/tdh2/lib/group/LICENSE
diff --git a/go/tdh2/internal/group/group.go b/go/tdh2/lib/group/group.go
similarity index 100%
rename from go/tdh2/internal/group/group.go
rename to go/tdh2/lib/group/group.go
diff --git a/go/tdh2/internal/group/mod/int.go b/go/tdh2/lib/group/mod/int.go
similarity index 99%
rename from go/tdh2/internal/group/mod/int.go
rename to go/tdh2/lib/group/mod/int.go
index 8d6df45..63b0233 100644
--- a/go/tdh2/internal/group/mod/int.go
+++ b/go/tdh2/lib/group/mod/int.go
@@ -8,7 +8,7 @@ import (
 	"errors"
 	"math/big"
 
-	"github.com/smartcontractkit/tdh2/go/tdh2/internal/group"
+	"github.com/smartcontractkit/tdh2/go/tdh2/lib/group"
 )
 
 // Int is a generic implementation of finite field arithmetic
diff --git a/go/tdh2/internal/group/mod/int_test.go b/go/tdh2/lib/group/mod/int_test.go
similarity index 100%
rename from go/tdh2/internal/group/mod/int_test.go
rename to go/tdh2/lib/group/mod/int_test.go
diff --git a/go/tdh2/internal/group/nist/curve.go b/go/tdh2/lib/group/nist/curve.go
similarity index 97%
rename from go/tdh2/internal/group/nist/curve.go
rename to go/tdh2/lib/group/nist/curve.go
index c4726c6..9da4915 100644
--- a/go/tdh2/internal/group/nist/curve.go
+++ b/go/tdh2/lib/group/nist/curve.go
@@ -9,8 +9,8 @@ import (
 	"fmt"
 	"math/big"
 
-	"github.com/smartcontractkit/tdh2/go/tdh2/internal/group"
-	"github.com/smartcontractkit/tdh2/go/tdh2/internal/group/mod"
+	"github.com/smartcontractkit/tdh2/go/tdh2/lib/group"
+	"github.com/smartcontractkit/tdh2/go/tdh2/lib/group/mod"
 )
 
 // streamReader implements io.Reader from cipher.Stream
diff --git a/go/tdh2/internal/group/nist/group_test.go b/go/tdh2/lib/group/nist/group_test.go
similarity index 97%
rename from go/tdh2/internal/group/nist/group_test.go
rename to go/tdh2/lib/group/nist/group_test.go
index 7f6485e..b47403b 100644
--- a/go/tdh2/internal/group/nist/group_test.go
+++ b/go/tdh2/lib/group/nist/group_test.go
@@ -4,8 +4,8 @@ import (
 	"bytes"
 	"testing"
 
-	"github.com/smartcontractkit/tdh2/go/tdh2/internal/group"
-	"github.com/smartcontractkit/tdh2/go/tdh2/internal/group/test"
+	"github.com/smartcontractkit/tdh2/go/tdh2/lib/group"
+	"github.com/smartcontractkit/tdh2/go/tdh2/lib/group/test"
 )
 
 var benchmarks = []*test.GroupBench{
diff --git a/go/tdh2/internal/group/share/poly.go b/go/tdh2/lib/group/share/poly.go
similarity index 98%
rename from go/tdh2/internal/group/share/poly.go
rename to go/tdh2/lib/group/share/poly.go
index 474d2de..1a51d54 100644
--- a/go/tdh2/internal/group/share/poly.go
+++ b/go/tdh2/lib/group/share/poly.go
@@ -16,7 +16,7 @@ import (
 	"sort"
 	"strings"
 
-	"github.com/smartcontractkit/tdh2/go/tdh2/internal/group"
+	"github.com/smartcontractkit/tdh2/go/tdh2/lib/group"
 )
 
 // PriShare represents a private share.
diff --git a/go/tdh2/internal/group/share/poly_test.go b/go/tdh2/lib/group/share/poly_test.go
similarity index 96%
rename from go/tdh2/internal/group/share/poly_test.go
rename to go/tdh2/lib/group/share/poly_test.go
index a54e401..8a513f8 100644
--- a/go/tdh2/internal/group/share/poly_test.go
+++ b/go/tdh2/lib/group/share/poly_test.go
@@ -6,8 +6,8 @@ import (
 	"crypto/rand"
 	"testing"
 
-	"github.com/smartcontractkit/tdh2/go/tdh2/internal/group"
-	"github.com/smartcontractkit/tdh2/go/tdh2/internal/group/nist"
+	"github.com/smartcontractkit/tdh2/go/tdh2/lib/group"
+	"github.com/smartcontractkit/tdh2/go/tdh2/lib/group/nist"
 )
 
 var groups = []group.Group{
diff --git a/go/tdh2/internal/group/test/group.go b/go/tdh2/lib/group/test/group.go
similarity index 98%
rename from go/tdh2/internal/group/test/group.go
rename to go/tdh2/lib/group/test/group.go
index 52f8cf2..486e01c 100644
--- a/go/tdh2/internal/group/test/group.go
+++ b/go/tdh2/lib/group/test/group.go
@@ -1,7 +1,7 @@
 package test
 
 import (
-	"github.com/smartcontractkit/tdh2/go/tdh2/internal/group"
+	"github.com/smartcontractkit/tdh2/go/tdh2/lib/group"
 )
 
 // GroupBench is a generic benchmark suite for group.groups.
diff --git a/go/tdh2/internal/group/test/test.go b/go/tdh2/lib/group/test/test.go
similarity index 99%
rename from go/tdh2/internal/group/test/test.go
rename to go/tdh2/lib/group/test/test.go
index c25307e..bf7efc4 100644
--- a/go/tdh2/internal/group/test/test.go
+++ b/go/tdh2/lib/group/test/test.go
@@ -9,7 +9,7 @@ import (
 	"crypto/rand"
 	"testing"
 
-	"github.com/smartcontractkit/tdh2/go/tdh2/internal/group"
+	"github.com/smartcontractkit/tdh2/go/tdh2/lib/group"
 )
 
 func testPointSet(t *testing.T, g group.Group, rand cipher.Stream) {
diff --git a/go/tdh2/tdh2/tdh2.go b/go/tdh2/tdh2/tdh2.go
index 7c31d98..c56e3d3 100644
--- a/go/tdh2/tdh2/tdh2.go
+++ b/go/tdh2/tdh2/tdh2.go
@@ -9,9 +9,9 @@ import (
 	"encoding/json"
 	"fmt"
 
-	"github.com/smartcontractkit/tdh2/go/tdh2/internal/group"
-	"github.com/smartcontractkit/tdh2/go/tdh2/internal/group/nist"
-	"github.com/smartcontractkit/tdh2/go/tdh2/internal/group/share"
+	"github.com/smartcontractkit/tdh2/go/tdh2/lib/group"
+	"github.com/smartcontractkit/tdh2/go/tdh2/lib/group/nist"
+	"github.com/smartcontractkit/tdh2/go/tdh2/lib/group/share"
 )
 
 var (
diff --git a/go/tdh2/tdh2/tdh2_test.go b/go/tdh2/tdh2/tdh2_test.go
index f93e24b..8a5778c 100644
--- a/go/tdh2/tdh2/tdh2_test.go
+++ b/go/tdh2/tdh2/tdh2_test.go
@@ -14,8 +14,8 @@ import (
 
 	"github.com/google/go-cmp/cmp"
 	"github.com/google/go-cmp/cmp/cmpopts"
-	"github.com/smartcontractkit/tdh2/go/tdh2/internal/group"
-	"github.com/smartcontractkit/tdh2/go/tdh2/internal/group/nist"
+	"github.com/smartcontractkit/tdh2/go/tdh2/lib/group"
+	"github.com/smartcontractkit/tdh2/go/tdh2/lib/group/nist"
 )
 
 var supportedGroups = []string{
diff --git a/go/tdh2/tdh2easy/tdh2easy.go b/go/tdh2/tdh2easy/tdh2easy.go
index e78e420..6fe61bb 100644
--- a/go/tdh2/tdh2easy/tdh2easy.go
+++ b/go/tdh2/tdh2easy/tdh2easy.go
@@ -8,7 +8,7 @@ import (
 	"encoding/json"
 	"fmt"
 
-	"github.com/smartcontractkit/tdh2/go/tdh2/internal/group/nist"
+	"github.com/smartcontractkit/tdh2/go/tdh2/lib/group/nist"
 	"github.com/smartcontractkit/tdh2/go/tdh2/tdh2"
 )
 
diff --git a/go/tdh2/tdh2easy/tdh2easy_test.go b/go/tdh2/tdh2easy/tdh2easy_test.go
index 92bb6ac..c2507c4 100644
--- a/go/tdh2/tdh2easy/tdh2easy_test.go
+++ b/go/tdh2/tdh2easy/tdh2easy_test.go
@@ -8,7 +8,7 @@ import (
 
 	"github.com/google/go-cmp/cmp"
 	"github.com/google/go-cmp/cmp/cmpopts"
-	"github.com/smartcontractkit/tdh2/go/tdh2/internal/group/nist"
+	"github.com/smartcontractkit/tdh2/go/tdh2/lib/group/nist"
 	"github.com/smartcontractkit/tdh2/go/tdh2/tdh2"
 )