diff --git a/go/core/core.go b/go/core/core.go
index 5a35e61a..beb7207f 100644
--- a/go/core/core.go
+++ b/go/core/core.go
@@ -22,6 +22,8 @@ import (
 	"runtime"
 	"sort"
 	"strings"
+
+	"go.opentelemetry.io/otel/propagation"
 )
 
 // Constants used as key string for tags.
diff --git a/go/database/sql/go.mod b/go/database/sql/go.mod
index b0edf01e..6386f6f0 100644
--- a/go/database/sql/go.mod
+++ b/go/database/sql/go.mod
@@ -2,7 +2,7 @@ module github.com/google/sqlcommenter/go/database/sql
 
 go 1.19
 
-require github.com/google/sqlcommenter/go/core v0.0.5-beta
+require github.com/google/sqlcommenter/go/core v0.1.0
 
 require go.opentelemetry.io/otel v1.11.1 // indirect
 
diff --git a/go/database/sql/go.sum b/go/database/sql/go.sum
index 2342027e..73a6f921 100644
--- a/go/database/sql/go.sum
+++ b/go/database/sql/go.sum
@@ -4,6 +4,8 @@ github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/sqlcommenter/go/core v0.0.5-beta h1:axqYR1zQCCdRBLnwr/j+ckllBSBJ7uaVdsnANuGzCUI=
 github.com/google/sqlcommenter/go/core v0.0.5-beta/go.mod h1:GORu2htXRC4xtejBzOa4ct1L20pohP81DFNYKdCJI70=
+github.com/google/sqlcommenter/go/core v0.1.0 h1:g5jL8HUk2Ko9mMPoCI4jP47dyJhpNyu6E8WmiEhh8OU=
+github.com/google/sqlcommenter/go/core v0.1.0/go.mod h1:GORu2htXRC4xtejBzOa4ct1L20pohP81DFNYKdCJI70=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/stretchr/testify v1.8.0 h1:pSgiaMZlXftHpm5L7V1+rVB+AZJydKsMxsQBIJw4PKk=
 go.opentelemetry.io/otel v1.11.1 h1:4WLLAmcfkmDk2ukNXJyq3/kiz/3UzCaYq6PskJsaou4=
diff --git a/go/gorrila/mux/go.mod b/go/gorrila/mux/go.mod
index b0129dcb..354f7dce 100644
--- a/go/gorrila/mux/go.mod
+++ b/go/gorrila/mux/go.mod
@@ -3,7 +3,7 @@ module github.com/google/sqlcommenter/go/gorrila/mux
 go 1.19
 
 require (
-	github.com/google/sqlcommenter/go/core v0.0.5-beta
+	github.com/google/sqlcommenter/go/core v0.1.0
 	github.com/google/sqlcommenter/go/net/http v0.0.3-beta
 	github.com/gorilla/mux v1.8.0
 )
diff --git a/go/gorrila/mux/go.sum b/go/gorrila/mux/go.sum
index c6f852c7..93704cb1 100644
--- a/go/gorrila/mux/go.sum
+++ b/go/gorrila/mux/go.sum
@@ -4,6 +4,8 @@ github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
 github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/sqlcommenter/go/core v0.0.5-beta h1:axqYR1zQCCdRBLnwr/j+ckllBSBJ7uaVdsnANuGzCUI=
 github.com/google/sqlcommenter/go/core v0.0.5-beta/go.mod h1:GORu2htXRC4xtejBzOa4ct1L20pohP81DFNYKdCJI70=
+github.com/google/sqlcommenter/go/core v0.1.0 h1:g5jL8HUk2Ko9mMPoCI4jP47dyJhpNyu6E8WmiEhh8OU=
+github.com/google/sqlcommenter/go/core v0.1.0/go.mod h1:GORu2htXRC4xtejBzOa4ct1L20pohP81DFNYKdCJI70=
 github.com/google/sqlcommenter/go/net/http v0.0.3-beta h1:IE/vO3xKddn/2Bq3k+hSy4CxcEuvE1lUiIDYTXjApzA=
 github.com/google/sqlcommenter/go/net/http v0.0.3-beta/go.mod h1:duXQQvXZYCX8eQ+XOrlojWF512ltEp1eSKXc/KiS9lg=
 github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=