diff --git a/gnu/packages/dns.scm b/gnu/packages/dns.scm
index 6d1d7d20f6..fce150f24f 100644
--- a/gnu/packages/dns.scm
+++ b/gnu/packages/dns.scm
@@ -813,7 +813,7 @@ (define-public yadifa
 (define-public knot
   (package
     (name "knot")
-    (version "3.0.5")
+    (version "3.0.6")
     (source
      (origin
        (method git-fetch)
@@ -822,7 +822,7 @@ (define-public knot
              (commit (string-append "v" version))))
        (file-name (git-file-name name version))
        (sha256
-        (base32 "16rgcmgj21w2niyz45d3zjlci9i22gxcvfzqw7g5zwsjdy9610nx"))
+        (base32 "0mjgjx43yb3w688jw16g5m1724wb0wnv4y7di2rslrp0s11wl2a9"))
        (modules '((guix build utils)))
        (snippet
         '(begin