diff --git a/changelog.txt b/changelog.txt
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,7 @@
+# 0.5.1
+
++ Switch from wreq to http-conduit; drop lens dependency.
+
 # 0.5
 
 + Start changelog.
diff --git a/hjsonschema.cabal b/hjsonschema.cabal
--- a/hjsonschema.cabal
+++ b/hjsonschema.cabal
@@ -1,5 +1,5 @@
 name:                   hjsonschema
-version:                0.5.1.0
+version:                0.5.1.1
 synopsis:               JSON Schema Draft 4 library
 homepage:               https://github.com/seagreen/hjsonschema
 license:                MIT