diff --git a/go.mod b/go.mod
index 67f218a..811b7f4 100644
--- a/go.mod
+++ b/go.mod
@@ -9,7 +9,7 @@ require (
 	github.com/fatih/structs v1.1.0
 	github.com/golang/mock v1.6.0
 	github.com/gorilla/mux v1.8.0
-	github.com/peterbourgon/mergemap v0.0.0-20130613134717-e21c03b7a721
+	github.com/peterbourgon/mergemap v0.0.1
 	github.com/pkg/errors v0.9.1
 	github.com/sirupsen/logrus v1.9.0
 	github.com/stretchr/testify v1.8.1
diff --git a/go.sum b/go.sum
index 5945ffd..d3489d0 100644
--- a/go.sum
+++ b/go.sum
@@ -539,8 +539,8 @@ github.com/pborman/uuid v1.2.0/go.mod h1:X/NO0urCmaxf9VXbdlT7C2Yzkj2IKimNn4k+gtP
 github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
 github.com/pelletier/go-toml v1.8.1/go.mod h1:T2/BmBdy8dvIRq1a/8aqjN41wvWlN4lrapLU/GW4pbc=
 github.com/peterbourgon/diskv v2.0.1+incompatible/go.mod h1:uqqh8zWWbv1HBMNONnaR/tNboyR3/BZd58JJSHlUSCU=
-github.com/peterbourgon/mergemap v0.0.0-20130613134717-e21c03b7a721 h1:ArxMo6jAOO2KuRsepZ0hTaH4hZCi2CCW4P9PV59HHH0=
-github.com/peterbourgon/mergemap v0.0.0-20130613134717-e21c03b7a721/go.mod h1:jQyRpOpE/KbvPc0VKXjAqctYglwUO5W6zAcGcFfbvlo=
+github.com/peterbourgon/mergemap v0.0.1 h1:5/brtSACv34REV0xoYjPQ8JXZnx3nurGt6WInLRwqX4=
+github.com/peterbourgon/mergemap v0.0.1/go.mod h1:jQyRpOpE/KbvPc0VKXjAqctYglwUO5W6zAcGcFfbvlo=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.8.1-0.20171018195549-f15c970de5b7/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=