diff --git a/coinlib/bin/build_linux.dart b/coinlib/bin/build_linux.dart
index 6f842ff..ec92987 100644
--- a/coinlib/bin/build_linux.dart
+++ b/coinlib/bin/build_linux.dart
@@ -14,10 +14,10 @@ RUN apt-get update -y \
 # Could use secp256k1 already in code-base but this makes the dockerfile more
 # independent and avoids complexity of copying everything into the correct
 # context. It's not a large library to download.
-# Use 0.4.1 release
+# Use 0.5.0 release
 RUN git clone https://github.com/bitcoin-core/secp256k1 \
   && cd secp256k1 \
-  && git checkout 1ad5185cd42c0636104129fcc9f6a4bf9c67cc40
+  && git checkout e3a885d42a7800c1ccebad94ad1e2b82c4df5c65
 
 WORKDIR /secp256k1
 
@@ -34,7 +34,7 @@ RUN make
 # maintained.
 RUN make install
 RUN mkdir output
-RUN cp /usr/local/lib/libsecp256k1.so.2.1.1 output/libsecp256k1.so
+RUN cp /usr/local/lib/libsecp256k1.so.2.2.0 output/libsecp256k1.so
 """;
 
 void main() async {
diff --git a/coinlib/bin/build_macos.dart b/coinlib/bin/build_macos.dart
index d779f85..1b4281e 100644
--- a/coinlib/bin/build_macos.dart
+++ b/coinlib/bin/build_macos.dart
@@ -18,13 +18,13 @@ void main() async {
     "Could not clone secp256k1 to temporary build directory",
   );
 
-  // Checkout to 0.4.1 commit
+  // Checkout to 0.5.0 commit
   exitOnCode(
     await execWithStdio(
-      "git", ["checkout", "1ad5185cd42c0636104129fcc9f6a4bf9c67cc40"],
+      "git", ["checkout", "e3a885d42a7800c1ccebad94ad1e2b82c4df5c65"],
       workingDir: libDir,
     ),
-    "Could not checkout to v0.4.1 commit",
+    "Could not checkout to v0.5.0 commit",
   );
 
   // Generate configure
diff --git a/coinlib/bin/build_wasm.dart b/coinlib/bin/build_wasm.dart
index 757029d..b6c5b2f 100644
--- a/coinlib/bin/build_wasm.dart
+++ b/coinlib/bin/build_wasm.dart
@@ -24,10 +24,10 @@ RUN wget -nv https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-
 RUN tar xvf $WASI_ARCHIVE
 RUN rm $WASI_ARCHIVE
 
-# Clone libsecp256k1 and use v0.4.1
+# Clone libsecp256k1 and use v0.5.0
 RUN git clone https://github.com/bitcoin-core/secp256k1 \
   && cd secp256k1 \
-  && git checkout 1ad5185cd42c0636104129fcc9f6a4bf9c67cc40
+  && git checkout e3a885d42a7800c1ccebad94ad1e2b82c4df5c65
 WORKDIR /secp256k1
 
 # Build using wasi-sdk
diff --git a/coinlib/bin/build_windows.dart b/coinlib/bin/build_windows.dart
index cb34e0b..209b958 100644
--- a/coinlib/bin/build_windows.dart
+++ b/coinlib/bin/build_windows.dart
@@ -20,8 +20,8 @@ void main() async {
   Directory.current = Directory("$tmpDir/secp256k1");
   await execWithStdio(
     "git",
-    // Use version 0.4.1
-    ["checkout", "1ad5185cd42c0636104129fcc9f6a4bf9c67cc40"],
+    // Use version 0.5.0
+    ["checkout", "e3a885d42a7800c1ccebad94ad1e2b82c4df5c65"],
   );
 
   // Build in tmpDir/secp256k1/build.
diff --git a/coinlib/bin/build_windows_crosscompile.dart b/coinlib/bin/build_windows_crosscompile.dart
index f6e77a0..9503879 100644
--- a/coinlib/bin/build_windows_crosscompile.dart
+++ b/coinlib/bin/build_windows_crosscompile.dart
@@ -10,10 +10,10 @@ FROM debian:bullseye
 RUN apt-get update -y \
   && apt-get install -y autoconf libtool build-essential git cmake gcc-mingw-w64
 
-# Clone libsecp256k1 0.4.1 release.
+# Clone libsecp256k1 0.5.0 release.
 RUN git clone https://github.com/bitcoin-core/secp256k1 \
   && cd secp256k1 \
-  && git checkout 1ad5185cd42c0636104129fcc9f6a4bf9c67cc40 \
+  && git checkout e3a885d42a7800c1ccebad94ad1e2b82c4df5c65 \
   && mkdir build
 
 WORKDIR /secp256k1/build
diff --git a/coinlib/bin/build_wsl.dart b/coinlib/bin/build_wsl.dart
index 75be94e..357ee1f 100644
--- a/coinlib/bin/build_wsl.dart
+++ b/coinlib/bin/build_wsl.dart
@@ -22,8 +22,8 @@ void main() async {
   Directory.current = Directory("$tmpDir/secp256k1");
   await execWithStdio(
     "git",
-    // Use version 0.4.1
-    ["checkout", "1ad5185cd42c0636104129fcc9f6a4bf9c67cc40"],
+    // Use version 0.5.0
+    ["checkout", "e3a885d42a7800c1ccebad94ad1e2b82c4df5c65"],
   );
 
   // Build in tmpDir/secp256k1/lib.
diff --git a/coinlib_flutter/example/pubspec.lock b/coinlib_flutter/example/pubspec.lock
index a222ddf..297e1ce 100644
--- a/coinlib_flutter/example/pubspec.lock
+++ b/coinlib_flutter/example/pubspec.lock
@@ -37,18 +37,18 @@ packages:
     dependency: transitive
     description:
       name: coinlib
-      sha256: a90427e9b66202d52c282f15c7f1c35e63674ad62f65bb07de61fb73664cd2b9
+      sha256: "44aa3f7b07d3b03d58353e7657f43cdaf76a70ad2cce5bdac9306208099d8df5"
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.0-rc.9"
+    version: "2.0.0"
   coinlib_flutter:
     dependency: "direct main"
     description:
       name: coinlib_flutter
-      sha256: "0090452e63e35e8f83d6a61e144490b71709ffd394ff2c495396cefaa5427dd0"
+      sha256: b352378773158dbaec37bd542c297682f3812f9881acb676971f0f4c5893631f
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.0-rc.10"
+    version: "2.0.0"
   collection:
     dependency: transitive
     description:
@@ -139,6 +139,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.6.7"
+  leak_tracker:
+    dependency: transitive
+    description:
+      name: leak_tracker
+      sha256: "78eb209deea09858f5269f5a5b02be4049535f568c07b275096836f01ea323fa"
+      url: "https://pub.dev"
+    source: hosted
+    version: "10.0.0"
+  leak_tracker_flutter_testing:
+    dependency: transitive
+    description:
+      name: leak_tracker_flutter_testing
+      sha256: b46c5e37c19120a8a01918cfaf293547f47269f7cb4b0058f21531c2465d6ef0
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.1"
+  leak_tracker_testing:
+    dependency: transitive
+    description:
+      name: leak_tracker_testing
+      sha256: a597f72a664dbd293f3bfc51f9ba69816f84dcd403cdac7066cb3f6003f3ab47
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.1"
   lints:
     dependency: transitive
     description:
@@ -151,34 +175,34 @@ packages:
     dependency: transitive
     description:
       name: matcher
-      sha256: "1803e76e6653768d64ed8ff2e1e67bea3ad4b923eb5c56a295c3e634bad5960e"
+      sha256: d2323aa2060500f906aa31a895b4030b6da3ebdcc5619d14ce1aada65cd161cb
       url: "https://pub.dev"
     source: hosted
-    version: "0.12.16"
+    version: "0.12.16+1"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
-      sha256: "9528f2f296073ff54cb9fee677df673ace1218163c3bc7628093e7eed5203d41"
+      sha256: "0e0a020085b65b6083975e499759762399b4475f766c21668c4ecca34ea74e5a"
       url: "https://pub.dev"
     source: hosted
-    version: "0.5.0"
+    version: "0.8.0"
   meta:
     dependency: transitive
     description:
       name: meta
-      sha256: a6e590c838b18133bb482a2745ad77c5bb7715fb0451209e1a7567d416678b8e
+      sha256: d584fa6707a52763a52446f02cc621b077888fb63b93bbcb1143a7be5a0c0c04
       url: "https://pub.dev"
     source: hosted
-    version: "1.10.0"
+    version: "1.11.0"
   path:
     dependency: transitive
     description:
       name: path
-      sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
+      sha256: "087ce49c3f0dc39180befefc60fdb4acd8f8620e5682fe2476afd0b3688bb4af"
       url: "https://pub.dev"
     source: hosted
-    version: "1.8.3"
+    version: "1.9.0"
   plugin_platform_interface:
     dependency: transitive
     description:
@@ -264,22 +288,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.4"
-  wasm_interop:
+  vm_service:
     dependency: transitive
     description:
-      name: wasm_interop
-      sha256: b1b378f07a4cf0103c25faf34d9a64d2c3312135b9efb47e0ec116ec3b14e48f
+      name: vm_service
+      sha256: b3d56ff4341b8f182b96aceb2fa20e3dcb336b9f867bc0eafc0de10f1048e957
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.1"
-  web:
+    version: "13.0.0"
+  wasm_interop:
     dependency: transitive
     description:
-      name: web
-      sha256: afe077240a270dcfd2aafe77602b4113645af95d0ad31128cc02bce5ac5d5152
+      name: wasm_interop
+      sha256: b1b378f07a4cf0103c25faf34d9a64d2c3312135b9efb47e0ec116ec3b14e48f
       url: "https://pub.dev"
     source: hosted
-    version: "0.3.0"
+    version: "2.0.1"
 sdks:
   dart: ">=3.2.0 <4.0.0"
   flutter: ">=2.17.0"
diff --git a/coinlib_flutter/src/CMakeLists.txt b/coinlib_flutter/src/CMakeLists.txt
index b2c2a07..80f37e5 100644
--- a/coinlib_flutter/src/CMakeLists.txt
+++ b/coinlib_flutter/src/CMakeLists.txt
@@ -45,7 +45,7 @@ ExternalProject_Add(
   secp256k1
 
   GIT_REPOSITORY https://github.com/bitcoin-core/secp256k1
-  GIT_TAG 1ad5185cd42c0636104129fcc9f6a4bf9c67cc40 # v0.4.1 with cmake system
+  GIT_TAG e3a885d42a7800c1ccebad94ad1e2b82c4df5c65 # v0.5.0
 
   PREFIX ${SECP256K1_PREFIX}
 
@@ -59,7 +59,7 @@ ExternalProject_Add(
 # Post-build processing of library file
 # Move output library to the correct place
 
-set(SECP256K1_VERSIONEDLIB ${SECP256K1_PREFIX}/lib/libsecp256k1.so.2.1.1)
+set(SECP256K1_VERSIONEDLIB ${SECP256K1_PREFIX}/lib/libsecp256k1.so.2.2.0)
 set(SECP255K1_FINALLIB ${SECP256K1_PREFIX}/lib/libsecp256k1.so)
 
 # Move any versioned .so file to an unversioned .so file.