diff --git a/pkgs/build-support/appimage/appimage-exec.sh b/pkgs/build-support/appimage/appimage-exec.sh
index 1273effe5fe..15eafc58a1e 100755
--- a/pkgs/build-support/appimage/appimage-exec.sh
+++ b/pkgs/build-support/appimage/appimage-exec.sh
@@ -17,7 +17,7 @@ unpack() {
   local appimageType=0
 
   # https://github.com/AppImage/libappimage/blob/ca8d4b53bed5cbc0f3d0398e30806e0d3adeaaab/src/libappimage/utils/MagicBytesChecker.cpp#L45-L63
-  eval "$(r2 "$src" -nn -Nqc "p8j 3 @ 8" |
+  eval "$(r2 -nn -Nqc "p8j 3 @ 8" "$src"|
     jq -r '{appimageSignature: (.[:-1]|implode), appimageType: .[-1]}|
       @sh "appimageSignature=\(.appimageSignature) appimageType=\(.appimageType)"')"
 
@@ -38,7 +38,7 @@ unpack() {
 
         # multiarch offset one-liner using same method as AppImage
         # see https://gist.github.com/probonopd/a490ba3401b5ef7b881d5e603fa20c93
-        offset=$(r2 "$src" -nn -Nqc "pfj.elf_header @ 0" |\
+        offset=$(r2 -nn -Nqc "pfj.elf_header @ 0" "$src"|\
           jq 'map({(.name): .value}) | add | .shoff + (.shnum * .shentsize)')
 
         echo "Uncompress $(basename "$src") of type $appimageType @ offset $offset."
diff --git a/pkgs/development/tools/analysis/radare2/default.nix b/pkgs/development/tools/analysis/radare2/default.nix
index 48a1f20cfd9..32d23597e52 100644
--- a/pkgs/development/tools/analysis/radare2/default.nix
+++ b/pkgs/development/tools/analysis/radare2/default.nix
@@ -110,17 +110,17 @@ in {
   #<generated>
   # DO NOT EDIT! Automatically generated by ./update.py
   radare2 = generic {
-    version_commit = "24088";
-    gittap = "4.3.1";
-    gittip = "e7f940d27b3b4eb2738afef78a6ea09ed770318c";
-    rev = "4.3.1";
-    version = "4.3.1";
-    sha256 = "0fiy6aj8xf9anpkk2vpkx8x0m2f26rhjb92nmg61xj13dmhchh30";
+    version_commit = "24545";
+    gittap = "4.4.0";
+    gittip = "9ea0b7ce566cfdcfb3513f407c4056915204294a";
+    rev = "4.4.0";
+    version = "4.4.0";
+    sha256 = "0gwdnrnk7wdgkajp2qwg4fyplh7nsbmf01bzx07px6xmiscd9z2s";
     cs_ver = "4.0.1";
     cs_sha256 = "0ijwxxk71nr9z91yxw20zfj4bbsbrgvixps5c7cpj163xlzlwba6";
   };
   r2-for-cutter = generic {
-    version_commit = "24088";
+    version_commit = "24545";
     gittap = "4.3.1";
     gittip = "e7f940d27b3b4eb2738afef78a6ea09ed770318c";
     rev = "e7f940d27b3b4eb2738afef78a6ea09ed770318c";
diff --git a/pkgs/development/tools/unityhub/default.nix b/pkgs/development/tools/unityhub/default.nix
index 2939df0ba20..bb84584e836 100644
--- a/pkgs/development/tools/unityhub/default.nix
+++ b/pkgs/development/tools/unityhub/default.nix
@@ -1,6 +1,8 @@
 { stdenv, fetchurl, appimageTools, gsettings-desktop-schemas, gtk3 }:
 
-appimageTools.wrapType2 rec {
+let
+  version = "2.3.1";
+in appimageTools.wrapType2 rec {
   name = "unityhub";
 
   extraPkgs = (pkgs: with pkgs; with xorg; [ gtk2 gdk_pixbuf glib libGL libGLU nss nspr
@@ -16,8 +18,9 @@ appimageTools.wrapType2 rec {
   '';
 
   src = fetchurl {
-    url = "https://public-cdn.cloud.unity3d.com/hub/prod/UnityHub.AppImage";
-    sha256 = "05p5kqbwgqyk2aw2lix5dk1ql16aj6iczxrc63a1l0vj8wrha7z4";
+    # mirror of https://public-cdn.cloud.unity3d.com/hub/prod/UnityHub.AppImage
+    url = "https://archive.org/download/unity-hub-${version}/UnityHub.AppImage";
+    sha256 = "09nrgjlknl3hgrrl7rc79bmbrq6r6sl49dw0cmvs37vjqnvlr8ny";
   };
 
   meta = with stdenv.lib; {