diff --git a/ReactAndroid/build.gradle b/ReactAndroid/build.gradle
index 6e421b207b3137..8663f0a289671f 100644
--- a/ReactAndroid/build.gradle
+++ b/ReactAndroid/build.gradle
@@ -55,17 +55,17 @@ task prepareDoubleConversion(dependsOn: downloadDoubleConversion, type: Copy) {
 }
 
 task downloadFolly(dependsOn: createNativeDepsDirectories, type: Download) {
-    src 'https://github.com/facebook/folly/archive/v0.50.0.tar.gz'
+    src 'https://github.com/facebook/folly/archive/deprecate-dynamic-initializer.tar.gz'
     onlyIfNewer true
     overwrite false
-    dest new File(downloadsDir, 'folly-0.50.0.tar.gz');
+    dest new File(downloadsDir, 'folly-deprecate-dynamic-initializer.tar.gz');
 }
 
 task prepareFolly(dependsOn: downloadFolly, type: Copy) {
     from tarTree(downloadFolly.dest)
     from 'src/main/jni/third-party/folly/Android.mk'
-    include 'folly-0.50.0/folly/**/*', 'Android.mk'
-    eachFile {fname -> fname.path = (fname.path - "folly-0.50.0/")}
+    include 'folly-deprecate-dynamic-initializer/folly/**/*', 'Android.mk'
+    eachFile {fname -> fname.path = (fname.path - "folly-deprecate-dynamic-initializer/")}
     includeEmptyDirs = false
     into "$thirdPartyNdkDir/folly"
 }
diff --git a/ReactAndroid/src/main/jni/react/jni/BUCK b/ReactAndroid/src/main/jni/react/jni/BUCK
index be23d64cfe0913..cdd579b47670f5 100644
--- a/ReactAndroid/src/main/jni/react/jni/BUCK
+++ b/ReactAndroid/src/main/jni/react/jni/BUCK
@@ -70,7 +70,6 @@ jni_library(
   compiler_flags = [
     '-Wall',
     '-Werror',
-    '-Wno-deprecated-declarations',
     '-fexceptions',
     '-std=c++11',
     '-fvisibility=hidden',
diff --git a/ReactAndroid/src/main/jni/react/jni/OnLoad.cpp b/ReactAndroid/src/main/jni/react/jni/OnLoad.cpp
index 9e46c57c6253a1..5bdc2c1ffe6e77 100644
--- a/ReactAndroid/src/main/jni/react/jni/OnLoad.cpp
+++ b/ReactAndroid/src/main/jni/react/jni/OnLoad.cpp
@@ -235,7 +235,7 @@ struct WritableNativeArray
   static constexpr const char* kJavaDescriptor = "Lcom/facebook/react/bridge/WritableNativeArray;";
 
   WritableNativeArray()
-      : HybridBase(folly::dynamic({})) {}
+      : HybridBase(folly::dynamic::array()) {}
 
   static local_ref<jhybriddata> initHybrid(alias_ref<jclass>) {
     return makeCxxInstance();