diff --git a/pkgs/development/nim-packages/jsony/default.nix b/pkgs/development/nim-packages/jsony/default.nix
index 9a4808e3636f..bf8cf5d5c7f2 100644
--- a/pkgs/development/nim-packages/jsony/default.nix
+++ b/pkgs/development/nim-packages/jsony/default.nix
@@ -2,13 +2,13 @@
 
 buildNimPackage rec {
   pname = "jsony";
-  version = "1.1.3";
+  version = "d0e69bddf83874e15b5c2f52f8b1386ac080b443";
 
   src = fetchFromGitHub {
     owner = "treeform";
     repo = pname;
     rev = version;
-    hash = "sha256-jtUCoqwCmE536Kpv/vZxGgqiHyReZf1WOiBdUzmMhM4=";
+    sha256 = "1p250wb97nzz2g0vvq6mn521fx7sn1jpk1ralbzqh5q8clh4g7wr";
   };
 
   doCheck = true;
diff --git a/pkgs/development/nim-packages/supersnappy/default.nix b/pkgs/development/nim-packages/supersnappy/default.nix
index 471543eca411..f2f8205d8286 100644
--- a/pkgs/development/nim-packages/supersnappy/default.nix
+++ b/pkgs/development/nim-packages/supersnappy/default.nix
@@ -3,6 +3,6 @@
 fetchFromGitHub {
   owner = "guzba";
   repo = "supersnappy";
-  rev = "1.1.5";
-  sha256 = "1y26sgnszvdf5sn7j0jx2dpd4i03mvbk9i9ni9kbyrs798bjwi6z";
+  rev = "2.1.1";
+  sha256 = "03df1qgrbp84swhqy12ansyn951lkaw0kf1arbnki4fkgdnqdamf";
 }
diff --git a/pkgs/servers/nitter/default.nix b/pkgs/servers/nitter/default.nix
index 96547b87b362..3931f5b32815 100644
--- a/pkgs/servers/nitter/default.nix
+++ b/pkgs/servers/nitter/default.nix
@@ -2,14 +2,14 @@
 
 nimPackages.buildNimPackage rec {
   pname = "nitter";
-  version = "unstable-2022-03-21";
+  version = "unstable-2022-05-13";
   nimBinOnly = true;
 
   src = fetchFromGitHub {
     owner = "zedeus";
     repo = "nitter";
-    rev = "6884f05041a9b8619ec709afacdfdd6482a120a0";
-    sha256 = "1mnc6jqljpqp9lgcrxxvf3aiswssr34v139cxfbwlmj45swmsazh";
+    rev = "683c052036b268028f0ecae020a1519bc586516d";
+    sha256 = "179z66jlwbdarrgvpdh8aqy2ihkiakd22wqydrfgpsgr59ma8fgl";
   };
 
   buildInputs = with nimPackages; [