diff --git a/connect.go b/connect.go
index 503c81ae..a4a56542 100644
--- a/connect.go
+++ b/connect.go
@@ -33,7 +33,7 @@ import (
 )
 
 // Version is the semantic version of the connect module.
-const Version = "1.11.0-dev"
+const Version = "1.11.0"
 
 // These constants are used in compile-time handshakes with connect's generated
 // code.
diff --git a/go.mod b/go.mod
index 0af4ef28..0bb3ca93 100644
--- a/go.mod
+++ b/go.mod
@@ -2,6 +2,11 @@ module connectrpc.com/connect
 
 go 1.19
 
+retract (
+	v1.10.0 // module cache poisoned, use v1.10.1
+	v1.9.0 // module cache poisoned, use v1.9.1
+)
+
 require (
 	github.com/google/go-cmp v0.5.9
 	google.golang.org/protobuf v1.31.0
diff --git a/go.sum b/go.sum
index 514045dc..4d0bc04e 100644
--- a/go.sum
+++ b/go.sum
@@ -4,9 +4,5 @@ github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
-google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
-google.golang.org/protobuf v1.30.1-0.20230508203708-b8fc77060104 h1:3QvSsKaCYve39lBVTCnmryh9VdHhPfRJJXquZqsEqgI=
-google.golang.org/protobuf v1.30.1-0.20230508203708-b8fc77060104/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
 google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=