diff --git a/pkgs/tools/security/ghidra/extensions/ghidra-delinker-extension/binary-file-toolkit.nix b/pkgs/tools/security/ghidra/extensions/ghidra-delinker-extension/binary-file-toolkit.nix
new file mode 100644
index 000000000000..003b36dea253
--- /dev/null
+++ b/pkgs/tools/security/ghidra/extensions/ghidra-delinker-extension/binary-file-toolkit.nix
@@ -0,0 +1,35 @@
+{
+  lib,
+  fetchFromGitHub,
+  maven,
+}:
+maven.buildMavenPackage rec {
+  pname = "binary-file-toolkit";
+  version = "0.4.0";
+
+  src = fetchFromGitHub {
+    owner = "boricj";
+    repo = "binary-file-toolkit";
+    tag = "v${version}";
+    hash = "sha256-ABDJDdx0OxXVOgYAw4kZAP3Psr+w7YevP1xk1RszXw8=";
+  };
+
+  mvnHash = "sha256-Ek2qulMSHd1ZJfEloo6fIe+QMqub/Ftna/TzTt01ky8=";
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/
+    cp dist/* $out/
+
+    runHook postInstall
+  '';
+
+  meta = {
+    description = "Set of Java libraries for manipulating toolchain file formats";
+    homepage = "https://github.com/boricj/binary-file-toolkit";
+    changelog = "https://github.com/boricj/binary-file-toolkit/releases";
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ timschumi ];
+  };
+}
diff --git a/pkgs/tools/security/ghidra/extensions/ghidra-delinker-extension/default.nix b/pkgs/tools/security/ghidra/extensions/ghidra-delinker-extension/default.nix
index 6d94bc2c35d6..c089a154c893 100644
--- a/pkgs/tools/security/ghidra/extensions/ghidra-delinker-extension/default.nix
+++ b/pkgs/tools/security/ghidra/extensions/ghidra-delinker-extension/default.nix
@@ -1,23 +1,35 @@
 {
+  callPackage,
   lib,
   ghidra,
   gradle,
   fetchFromGitHub,
+
+  binary-file-toolkit ? callPackage ./binary-file-toolkit.nix { },
 }:
 ghidra.buildGhidraExtension (finalAttrs: {
   pname = "ghidra-delinker-extension";
-  version = "0.5.1";
+  version = "0.7.0";
 
   src = fetchFromGitHub {
     owner = "boricj";
     repo = "ghidra-delinker-extension";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-h6F50Z7S6tPOl9mIhChLKoFxHuAkq/n36ysUEFwWGxI=";
+    hash = "sha256-Hgpf1eqP/DRYczRDvAhXTWoycHe8N/xhMorlYDjytZg=";
   };
 
+  patches = [
+    # The GitHub Maven repository is not available unauthenticated,
+    # so patch in the dependency this way and replace the fake path
+    # with the locally built derivation later.
+    # This is tracked at boricj/binary-file-toolkit#1.
+    ./local-binary-file-toolkit.patch
+  ];
+
   postPatch = ''
     substituteInPlace build.gradle \
-      --replace-fail '"''${getGitHash()}"' '"v${finalAttrs.version}"'
+      --replace-fail '"''${getGitHash()}"' '"v${finalAttrs.version}"' \
+      --replace-fail '"@binary-file-toolkit@"' '"${binary-file-toolkit}"'
   '';
 
   gradleBuildTask = "buildExtension";
diff --git a/pkgs/tools/security/ghidra/extensions/ghidra-delinker-extension/local-binary-file-toolkit.patch b/pkgs/tools/security/ghidra/extensions/ghidra-delinker-extension/local-binary-file-toolkit.patch
new file mode 100644
index 000000000000..891bd2d8b029
--- /dev/null
+++ b/pkgs/tools/security/ghidra/extensions/ghidra-delinker-extension/local-binary-file-toolkit.patch
@@ -0,0 +1,23 @@
+diff --git a/build.gradle b/build.gradle
+index 6f3bc6f..16fc51b 100644
+--- a/build.gradle
++++ b/build.gradle
+@@ -55,16 +55,8 @@ else {
+ repositories {
+ 	mavenLocal()
+ 	mavenCentral()
+-	maven {
+-		name = "boricj's binary-file-toolkit"
+-		url = uri("https://maven.pkg.github.com/boricj/binary-file-toolkit")
+-		credentials(HttpHeaderCredentials) {
+-            name = "Authorization"
+-            value = "Bearer " + project.findProperty("githubToken") as String ?: System.getenv("GITHUB_TOKEN")
+-		}
+-        authentication {
+-            header(HttpHeaderAuthentication)
+-        }
++	flatDir {
++		dirs "@binary-file-toolkit@"
+ 	}
+ }
+