diff --git a/pkgs/development/python-modules/libknot/default.nix b/pkgs/development/python-modules/libknot/default.nix
index c315fe05b90b..fc29d6ce7d01 100644
--- a/pkgs/development/python-modules/libknot/default.nix
+++ b/pkgs/development/python-modules/libknot/default.nix
@@ -12,12 +12,12 @@
 
 buildPythonPackage rec {
   pname = "libknot";
-  version = "3.5.0";
+  version = "3.5.1";
   pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-8sWO70le3qmhNiU4xEEM3IOrrc20+WT2Y2UBSPBEFkk=";
+    hash = "sha256-O4kMd07Tmiy+q/klMCoeSp23EkZNoKKeuUHMhzn+118=";
   };
 
   postPatch = ''
diff --git a/pkgs/servers/monitoring/prometheus/knot-exporter.nix b/pkgs/servers/monitoring/prometheus/knot-exporter.nix
index 308f1af399ff..ac91d6fda6dc 100644
--- a/pkgs/servers/monitoring/prometheus/knot-exporter.nix
+++ b/pkgs/servers/monitoring/prometheus/knot-exporter.nix
@@ -7,13 +7,13 @@
 
 python3.pkgs.buildPythonApplication rec {
   pname = "knot-exporter";
-  version = "3.5.0";
+  version = "3.5.1";
   pyproject = true;
 
   src = fetchPypi {
     pname = "knot_exporter";
     inherit version;
-    hash = "sha256-uFCIM+pZiJ6nvapEKjgHRrIuc5p5uq5q1ToD36e19zk=";
+    hash = "sha256-BsNjzqGSH5Pn+deL2rM0XMVvpGdRfzuo4vzbG4I5Mtw=";
   };
 
   build-system = [