diff --git a/nixos/doc/manual/release-notes/rl-2105.xml b/nixos/doc/manual/release-notes/rl-2105.xml
index 5d9d91053e75..ab17879ba0b8 100644
--- a/nixos/doc/manual/release-notes/rl-2105.xml
+++ b/nixos/doc/manual/release-notes/rl-2105.xml
@@ -731,8 +731,8 @@ environment.systemPackages = [
     </para>
 
     <para>
-     Aditionally to the much stricter runtime environmet the
-     <literal>/dev/urandom</literal> mount lines we previously had in the code (that would
+     Additionally to the much stricter runtime environment the
+     <literal>/dev/urandom</literal> mount lines we previously had in the code (that
      randomly failed during the stop-phase) have been removed as systemd will take care of those for us.
     </para>
 
@@ -820,7 +820,7 @@ environment.systemPackages = [
    <listitem>
     <para>
      Platforms, like <varname>stdenv.hostPlatform</varname>, no longer have a <varname>platform</varname> attribute.
-     It has been (mostly) flattoned away:
+     It has been (mostly) flattened away:
     </para>
     <itemizedlist>
      <listitem><para><varname>platform.gcc</varname> is now <varname>gcc</varname></para></listitem>
diff --git a/pkgs/applications/version-management/bumpver/default.nix b/pkgs/applications/version-management/bumpver/default.nix
index ded8f7ba6993..756a031ae1e7 100644
--- a/pkgs/applications/version-management/bumpver/default.nix
+++ b/pkgs/applications/version-management/bumpver/default.nix
@@ -2,11 +2,11 @@
 
 python3.pkgs.buildPythonApplication rec {
   pname = "bumpver";
-  version = "2020.1108";
+  version = "2021.1110";
 
   src = python3.pkgs.fetchPypi {
     inherit pname version;
-    sha256 = "1bhbrq8fk8rsr78vq9xjz8v9lgv571va0nmg86dwmv6qnj6dymzm";
+    sha256 = "b6a0ddb78db7e00ae7ffe895bf8ef97f91e6310dfc1c4721896bdfd044b1cb03";
   };
 
   prePatch = ''
diff --git a/pkgs/development/libraries/zziplib/default.nix b/pkgs/development/libraries/zziplib/default.nix
index 051af0bd43f7..90758db16edd 100644
--- a/pkgs/development/libraries/zziplib/default.nix
+++ b/pkgs/development/libraries/zziplib/default.nix
@@ -1,6 +1,7 @@
 { lib
 , stdenv
 , fetchFromGitHub
+, fetchpatch
 , cmake
 , perl
 , pkg-config
@@ -21,6 +22,22 @@ stdenv.mkDerivation rec {
     hash = "sha256-Ht3fBgdrTm4mCi5uhgQPNtpGzADoRVOpSuGPsIS6y0Q=";
   };
 
+  patches = [
+    # apply https://github.com/gdraheim/zziplib/pull/113
+    (fetchpatch {
+      url = "https://github.com/gdraheim/zziplib/commit/82a7773cd17828a3b0a4f5f552ae80c1cc8777c7.diff";
+      sha256 = "0ifqdzxwb5d19mziy9j6lhl8wj95jpxzm0d2c6y3bgwa931avd3y";
+    })
+    (fetchpatch {
+      url = "https://github.com/gdraheim/zziplib/commit/1cd611514c5f9559eb9dfc191d678dfc991f66db.diff";
+      sha256 = "11w9qa46xq49l113k266dnv8izzdk1fq4y54yy5w8zps8zd3xfny";
+    })
+    (fetchpatch {
+      url = "https://github.com/gdraheim/zziplib/commit/e47b1e1da952a92f917db6fb19485b8a0b1a42f3.diff";
+      sha256 = "0d032hkmi3s3db12z2zbppl2swa3gdpbj0c6w13ylv2g2ixglrwg";
+    })
+  ];
+
   nativeBuildInputs = [
     cmake
     perl
diff --git a/pkgs/development/tools/rubocop/Gemfile.lock b/pkgs/development/tools/rubocop/Gemfile.lock
index 2c5deffc2d1c..913009f6b2b7 100644
--- a/pkgs/development/tools/rubocop/Gemfile.lock
+++ b/pkgs/development/tools/rubocop/Gemfile.lock
@@ -8,7 +8,7 @@ GEM
     rainbow (3.0.0)
     regexp_parser (2.1.1)
     rexml (3.2.4)
-    rubocop (1.11.0)
+    rubocop (1.12.0)
       parallel (~> 1.10)
       parser (>= 3.0.0.0)
       rainbow (>= 2.2.2, < 4.0)
diff --git a/pkgs/development/tools/rubocop/gemset.nix b/pkgs/development/tools/rubocop/gemset.nix
index 46d920bc657b..fc919235e2bc 100644
--- a/pkgs/development/tools/rubocop/gemset.nix
+++ b/pkgs/development/tools/rubocop/gemset.nix
@@ -66,10 +66,10 @@
     platforms = [];
     source = {
       remotes = ["https://rubygems.org"];
-      sha256 = "0zrzsgx35mcr81c51gyx63s7yngcfgk33dbkx5j0npkaks4fcm7r";
+      sha256 = "1i3y0h6awywx4rdmjdan908jmnyk589pndbjypxkfbkqvjx514fw";
       type = "gem";
     };
-    version = "1.11.0";
+    version = "1.12.0";
   };
   rubocop-ast = {
     dependencies = ["parser"];
diff --git a/pkgs/tools/games/ajour/default.nix b/pkgs/tools/games/ajour/default.nix
index b2cbe58ce96d..3bc87680c52f 100644
--- a/pkgs/tools/games/ajour/default.nix
+++ b/pkgs/tools/games/ajour/default.nix
@@ -34,16 +34,16 @@ let
 
 in rustPlatform.buildRustPackage rec {
   pname = "Ajour";
-  version = "0.7.2";
+  version = "1.0.0";
 
   src = fetchFromGitHub {
     owner = "casperstorm";
     repo = "ajour";
     rev = version;
-    sha256 = "052qckag9vzcx6472pyk1324jq4qib0isx33z3m1m4923ydanbcz";
+    sha256 = "sha256-u48U4WGlrSl8T3YF7cjApyjNaUI4YyyHEy0TgJw7r/Y=";
   };
 
-  cargoSha256 = "1nsvx445jrycggidnynn9glpjjm5sh8nwsvqwyyd54k9xb4rqgj1";
+  cargoSha256 = "sha256-Hdid70AB4AKtSsQBsr6K/de4nvI3rvghEWIwM7mpRIA=";
 
   nativeBuildInputs = [
     autoPatchelfHook