diff --git a/core/go.mod b/core/go.mod
index 5fb62a9fe..ac51cff7d 100644
--- a/core/go.mod
+++ b/core/go.mod
@@ -2,7 +2,7 @@ module github.com/open-feature/flagd/core
 
 go 1.21
 
-toolchain go1.21.4
+toolchain go1.22.5
 
 require (
 	buf.build/gen/go/open-feature/flagd/grpc/go v1.4.0-20240215170432-1e611e2999cc.2
diff --git a/flagd-proxy/go.mod b/flagd-proxy/go.mod
index aec011173..42d71051c 100644
--- a/flagd-proxy/go.mod
+++ b/flagd-proxy/go.mod
@@ -2,7 +2,7 @@ module github.com/open-feature/flagd/flagd-proxy
 
 go 1.21
 
-toolchain go1.21.4
+toolchain go1.22.5
 
 require (
 	buf.build/gen/go/open-feature/flagd/grpc/go v1.4.0-20240215170432-1e611e2999cc.2
diff --git a/flagd/go.mod b/flagd/go.mod
index edf324c10..0dea9795e 100644
--- a/flagd/go.mod
+++ b/flagd/go.mod
@@ -2,7 +2,7 @@ module github.com/open-feature/flagd/flagd
 
 go 1.21
 
-toolchain go1.21.4
+toolchain go1.22.5
 
 require (
 	buf.build/gen/go/open-feature/flagd/connectrpc/go v1.16.2-20240215170432-1e611e2999cc.1