diff --git a/pkgs/development/tools/analysis/radare2/default.nix b/pkgs/development/tools/analysis/radare2/default.nix
index f10b820a73ea..7e7f10ea7ff0 100644
--- a/pkgs/development/tools/analysis/radare2/default.nix
+++ b/pkgs/development/tools/analysis/radare2/default.nix
@@ -2,6 +2,7 @@
 , callPackage
 , ninja, meson , pkgconfig
 , libusb, readline, libewf, perl, zlib, openssl
+, libuv
 , gtk2 ? null, vte ? null, gtkdialog ? null
 , python ? null
 , ruby ? null
@@ -62,12 +63,15 @@ let
         "-Dr2_gittip=${gittip}"
         # 2.8.0 expects this, but later it becomes an option with default=false.
         "-Dcapstone_in_builddir=true"
+
+        "-Duse_sys_openssl=true"
+        "-Duse_sys_zlib=true"
       ];
 
       enableParallelBuilding = true;
 
       nativeBuildInputs = [ pkgconfig ninja meson ];
-      buildInputs = [ readline libusb libewf perl zlib openssl]
+      buildInputs = [ readline libusb libewf perl zlib openssl libuv ]
         ++ optional useX11 [gtkdialog vte gtk2]
         ++ optional rubyBindings [ruby]
         ++ optional pythonBindings [python]
@@ -86,14 +90,14 @@ in {
   #<generated>
   # DO NOT EDIT! Automatically generated by ./update.py
   radare2 = generic {
-    version_commit = "19349";
-    gittap = "2.9.0";
-    gittip = "d5e9539ec8068ca2ab4759dc3b0697781ded4cc8";
-    rev = "2.9.0";
-    version = "2.9.0";
-    sha256 = "0zz6337p9095picfvjrcnqaxdi2a2b68h9my523ilnw8ynwfhdzw";
-    cs_tip = "782ea67e17a391ca0d3faafdc365b335a1a8930a";
-    cs_sha256 = "1maww4ir78a193pm3f8lr2kdkizi7rywn68ffa65ipyr7j4pl6i4";
+    version_commit = "19720";
+    gittap = "3.0.0";
+    gittip = "13e3ebd2aa6653eb5b6bdd65a93dcddf3550fcfa";
+    rev = "3.0.0";
+    version = "3.0.0";
+    sha256 = "0awbk9v7qjkarscaqzyly310f04dxgndxvxwxbjrsswqlp206b40";
+    cs_tip = "e2c1cd46c06744beaceff42dd882de3a90f0a37c";
+    cs_sha256 = "1czzqj8zdjgh7h2ixi26ij3mm4bgm4xw2slin6fv73nic8yaw722";
   };
   r2-for-cutter = generic {
     version_commit = "19349";
diff --git a/pkgs/development/tools/analysis/radare2/update.py b/pkgs/development/tools/analysis/radare2/update.py
index 45920fd1e4bf..684d70bc0bc4 100755
--- a/pkgs/development/tools/analysis/radare2/update.py
+++ b/pkgs/development/tools/analysis/radare2/update.py
@@ -38,10 +38,9 @@ def get_radare2_rev() -> str:
 
 def get_cutter_version() -> str:
     version_expr = """
-(with import <nixpkgs> {}; (builtins.parseDrvName (qt5.callPackage ./cutter.nix {}).name).version)
+(with import <nixpkgs> {}; (builtins.parseDrvName (qt5.callPackage <radare2/cutter.nix> {}).name).version)
 """
-    with SCRIPT_DIR:
-        return sh("nix", "eval", "--raw", version_expr.strip())
+    return sh("nix", "eval", "--raw", version_expr.strip(), "-I", "radare2={0}".format(SCRIPT_DIR))
 
 
 def get_r2_cutter_rev() -> str:
@@ -109,7 +108,7 @@ def main() -> None:
             "https://github.com/radare/radare2",
             ".",
         )
-        nix_file = str(Path(__file__).parent.joinpath("default.nix"))
+        nix_file = str(SCRIPT_DIR.joinpath("default.nix"))
 
         radare2_info = get_repo_info(dirname, radare2_rev)