diff --git a/pkgs/development/tools/marksman/default.nix b/pkgs/development/tools/marksman/default.nix
index be5419d6c8c8..45ef51945dc5 100644
--- a/pkgs/development/tools/marksman/default.nix
+++ b/pkgs/development/tools/marksman/default.nix
@@ -8,13 +8,13 @@
 
 buildDotnetModule rec {
   pname = "marksman";
-  version = "2023-07-25";
+  version = "2023-10-30";
 
   src = fetchFromGitHub {
     owner = "artempyanykh";
     repo = "marksman";
     rev = version;
-    sha256 = "sha256-DxubrZAj2MOF7gUMDl8rW1jGHaw70KGe5Nit1SBQBW8=";
+    sha256 = "sha256-dAyZIqc9YGuhGydT17s4D1q4CKH6uK5CYW0c0ZJwJAI=";
   };
 
   projectFile = "Marksman/Marksman.fsproj";
diff --git a/pkgs/development/tools/marksman/deps.nix b/pkgs/development/tools/marksman/deps.nix
index 300fa38e1bec..b6e14d84e5ac 100644
--- a/pkgs/development/tools/marksman/deps.nix
+++ b/pkgs/development/tools/marksman/deps.nix
@@ -10,7 +10,7 @@
   (fetchNuGet { pname = "FSharp.SystemCommandLine"; version = "0.13.0-beta4"; sha256 = "10h58gqfdg2hdy9laf6ry8djfysrdmwlj9n0d7ydwyszb6zgnd20"; })
   (fetchNuGet { pname = "FSharpPlus"; version = "1.2.4"; sha256 = "08yg36hgmglll053kkqkkadcfcrdd37qqwqwfwzyrmyqp1mw4mj2"; })
   (fetchNuGet { pname = "Glob"; version = "1.1.9"; sha256 = "1q72haq20bf414xwdabsx30lp5c55fjh7hav6r9sp2cqhmva0y53"; })
-  (fetchNuGet { pname = "Markdig"; version = "0.30.2"; sha256 = "0m4vjg3kzvknk376yfzazr6i6qkb833s63857a5xcym0l04chlha"; })
+  (fetchNuGet { pname = "Markdig"; version = "0.33.0"; sha256 = "1dj06wgdqmjji4nfr1dysz7hwp5bjgsrk9qjkdq82d7gk6nmhs9r"; })
   (fetchNuGet { pname = "MessagePack"; version = "2.3.85"; sha256 = "0n7kv4i6knhv1dd35cv45sfpidsiy9albfdmbrdschykd1mzxmiy"; })
   (fetchNuGet { pname = "MessagePack.Annotations"; version = "2.3.85"; sha256 = "0axjgy9r533bw00lflnc6acjyza76mf2x1nn6fw7qacvak9rqxm3"; })
   (fetchNuGet { pname = "Microsoft.Bcl.AsyncInterfaces"; version = "6.0.0"; sha256 = "15gqy2m14fdlvy1g59207h5kisznm355kbw010gy19vh47z8gpz3"; })