diff --git a/core/go.mod b/core/go.mod
index c2b89f928..590687ef6 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 v1.5.1-20240215170432-1e611e2999cc.1
diff --git a/flagd-proxy/go.mod b/flagd-proxy/go.mod
index f8e1dee53..6460667ba 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 v1.5.1-20240215170432-1e611e2999cc.1
diff --git a/flagd/go.mod b/flagd/go.mod
index 629838f13..51db52121 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