diff --git a/core/go.mod b/core/go.mod
index 9567336c7..50e3aade7 100644
--- a/core/go.mod
+++ b/core/go.mod
@@ -2,7 +2,7 @@ module github.com/open-feature/flagd/core
 
 go 1.22.7
 
-toolchain go1.22.9
+toolchain go1.23.5
 
 require (
 	buf.build/gen/go/open-feature/flagd/grpc/go v1.5.1-20250127221518-be6d1143b690.2
diff --git a/flagd-proxy/go.mod b/flagd-proxy/go.mod
index 8cfbe479a..7855f86da 100644
--- a/flagd-proxy/go.mod
+++ b/flagd-proxy/go.mod
@@ -2,7 +2,7 @@ module github.com/open-feature/flagd/flagd-proxy
 
 go 1.22.7
 
-toolchain go1.22.9
+toolchain go1.23.5
 
 require (
 	buf.build/gen/go/open-feature/flagd/grpc/go v1.5.1-20250127221518-be6d1143b690.2
diff --git a/flagd/go.mod b/flagd/go.mod
index 8a05ba63f..4081c1384 100644
--- a/flagd/go.mod
+++ b/flagd/go.mod
@@ -2,7 +2,7 @@ module github.com/open-feature/flagd/flagd
 
 go 1.22.7
 
-toolchain go1.22.9
+toolchain go1.23.5
 
 require (
 	buf.build/gen/go/open-feature/flagd/connectrpc/go v1.18.1-20250127221518-be6d1143b690.1