diff --git a/atlas.lock b/atlas.lock
index 54f395b..ecfb5f8 100644
--- a/atlas.lock
+++ b/atlas.lock
@@ -124,7 +124,7 @@
       "dir": "$deps/asynctest",
       "url": "https://github.com/markspanbroek/asynctest",
       "commit": "12c356672d26053ddc4c1443491e9eee65ec03a2",
-      "version": "0.5.0"
+      "version": "0.5.1"
     },
     "stint": {
       "dir": "$deps/nim-stint",
diff --git a/nimble.lock b/nimble.lock
index 2811c1f..ae55126 100644
--- a/nimble.lock
+++ b/nimble.lock
@@ -12,7 +12,7 @@
       }
     },
     "asynctest": {
-      "version": "0.5.0",
+      "version": "0.5.1",
       "vcsRevision": "12c356672d26053ddc4c1443491e9eee65ec03a2",
       "url": "https://github.com/markspanbroek/asynctest",
       "downloadMethod": "git",