diff --git a/coinlib_flutter/example/android/build.gradle b/coinlib_flutter/example/android/build.gradle
index 58a8c74..713d7f6 100644
--- a/coinlib_flutter/example/android/build.gradle
+++ b/coinlib_flutter/example/android/build.gradle
@@ -26,6 +26,6 @@ subprojects {
     project.evaluationDependsOn(':app')
 }
 
-task clean(type: Delete) {
+tasks.register("clean", Delete) {
     delete rootProject.buildDir
 }
diff --git a/coinlib_flutter/src/CMakeLists.txt b/coinlib_flutter/src/CMakeLists.txt
index f5e348f..7a9c0cc 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 346a053d4c442e08191f075c3932d03140579d47 # v0.3.1 with cmake system
+  GIT_TAG acf5c55ae6a94e5ca847e07def40427547876101 # v0.3.2 with cmake system
 
   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.2.0.1)
+set(SECP256K1_VERSIONEDLIB ${SECP256K1_PREFIX}/lib/libsecp256k1.so.2.0.2)
 set(SECP255K1_FINALLIB ${SECP256K1_PREFIX}/lib/libsecp256k1.so)
 
 # Move any versioned .so file to an unversioned .so file.