diff --git a/glide.yaml b/glide.yaml
index 179b67ee..46fae0e5 100644
--- a/glide.yaml
+++ b/glide.yaml
@@ -87,3 +87,9 @@ import:
   - trace
   - lex/httplex
   - internal/timeseries
+
+- package: github.com/kylelemons/godebug
+  subpackages:
+  - diff
+  - pretty
+  version: eadb3ce320cbab8393bea5ca17bebac3f78a021b