diff --git a/.circleci/config.yml b/.circleci/config.yml
index e7734ff..ef50a5f 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -7,23 +7,23 @@ workflows:
   ci:
     jobs:
     - go/test:
-        name: test-golang-1.14
+        name: test-golang-1.16
         executor:
           name: go/golang
-          tag:  "1.14"
+          tag:  "1.16"
           cgo-enabled: "1"
         go-test-flags: -race
     - go/test:
-        name: test-golang-1.15
+        name: test-golang-1.17
         executor:
           name: go/golang
-          tag:  "1.15"
+          tag:  "1.17"
           cgo-enabled: "1"
         go-test-flags: -race
     - go/test:
-        name: test-golang-1.16
+        name: test-golang-1.18
         executor:
           name: go/golang
-          tag:  "1.16"
+          tag:  "1.18"
           cgo-enabled: "1"
         go-test-flags: -race
diff --git a/go.mod b/go.mod
index e3a656e..c96429b 100644
--- a/go.mod
+++ b/go.mod
@@ -15,3 +15,6 @@ require (
 	github.com/prometheus/common v0.9.1
 	github.com/tv42/httpunix v0.0.0-20150427012821-b75d8614f926 // indirect
 )
+
+// Introduced undocumented breaking change to metrics sink interface
+retract v0.3.11
\ No newline at end of file