diff --git a/extra/mdevd/checksums b/extra/mdevd/checksums
index ff720ce8..64bec1f9 100644
--- a/extra/mdevd/checksums
+++ b/extra/mdevd/checksums
@@ -1,3 +1,3 @@
-62b6a5bd5b26eac752950ecaefd5bb1df588a47c97765182b343913f62672f7a05
+b192d45003233d8edebc83e1eeb3a5d7483d3b48283b948e9efa0a29df2adbcb6d
 2e60d9f1a12c1b5332b7e49d0698ec1091c97fbd4fa68bb9dd712054844d1c09b5
 1eb34a4e4998a37ecd67a8d75c4f74eeb135d8d9f5ce6c278f6cc83f2ff4260e27
diff --git a/extra/mdevd/sources b/extra/mdevd/sources
index 532a145f..1f6f2a4f 100644
--- a/extra/mdevd/sources
+++ b/extra/mdevd/sources
@@ -1,3 +1,3 @@
-https://github.com/skarnet/mdevd/archive/refs/tags/v0.1.6.3.tar.gz
+https://github.com/skarnet/mdevd/archive/refs/tags/v0.1.6.4.tar.gz
 files/mdevd.conf
 files/mdevd.run
diff --git a/extra/mdevd/version b/extra/mdevd/version
index 76d34244..848dcbb0 100644
--- a/extra/mdevd/version
+++ b/extra/mdevd/version
@@ -1 +1 @@
-0.1.6.3 1
+0.1.6.4 1