diff --git a/ReactAndroid/build.gradle b/ReactAndroid/build.gradle
index 2a74a40bde1..82e6a7c1171 100644
--- a/ReactAndroid/build.gradle
+++ b/ReactAndroid/build.gradle
@@ -323,7 +323,7 @@ dependencies {
     api 'com.google.code.findbugs:jsr305:3.0.2'
     api "com.squareup.okhttp3:okhttp:${OKHTTP_VERSION}"
     api "com.squareup.okhttp3:okhttp-urlconnection:${OKHTTP_VERSION}"
-    api 'com.squareup.okio:okio:1.14.0'
+    api 'com.squareup.okio:okio:1.15.0'
     compile 'org.webkit:android-jsc:r174650'
 
     testImplementation "junit:junit:${JUNIT_VERSION}"
diff --git a/ReactAndroid/gradle.properties b/ReactAndroid/gradle.properties
index 9ed6570355d..055845e9238 100644
--- a/ReactAndroid/gradle.properties
+++ b/ReactAndroid/gradle.properties
@@ -13,7 +13,7 @@ FEST_ASSERT_CORE_VERSION=2.0M10
 
 ANDROID_SUPPORT_TEST_VERSION=1.0.2
 FRESCO_VERSION=1.10.0
-OKHTTP_VERSION=3.11.0
+OKHTTP_VERSION=3.12.1
 
 BOOST_VERSION=1_63_0
 DOUBLE_CONVERSION_VERSION=1.1.6
diff --git a/ReactAndroid/src/main/third-party/java/okhttp/BUCK b/ReactAndroid/src/main/third-party/java/okhttp/BUCK
index de75ada168c..a94361d367e 100644
--- a/ReactAndroid/src/main/third-party/java/okhttp/BUCK
+++ b/ReactAndroid/src/main/third-party/java/okhttp/BUCK
@@ -8,8 +8,8 @@ fb_native.prebuilt_jar(
 
 fb_native.remote_file(
     name = "okhttp3-binary.jar",
-    sha1 = "75966e05a49046ca2ae734e5626f28837a8d1e82",
-    url = "mvn:com.squareup.okhttp3:okhttp:jar:3.11.0",
+    sha1 = "dc6d02e4e68514eff5631963e28ca7742ac69efe",
+    url = "mvn:com.squareup.okhttp3:okhttp:jar:3.12.1",
 )
 
 fb_native.prebuilt_jar(
@@ -20,6 +20,6 @@ fb_native.prebuilt_jar(
 
 fb_native.remote_file(
     name = "okhttp3-urlconnection-binary.jar",
-    sha1 = "54ec442e9c0fac51265110cf0cb44dfe5ad1ea05",
-    url = "mvn:com.squareup.okhttp3:okhttp-urlconnection:jar:3.11.0",
+    sha1 = "f689d3657c3f1fdbde4877bcddc668491a4ad46f",
+    url = "mvn:com.squareup.okhttp3:okhttp-urlconnection:jar:3.12.1",
 )
diff --git a/ReactAndroid/src/main/third-party/java/okio/BUCK b/ReactAndroid/src/main/third-party/java/okio/BUCK
index 13a8e39757a..dfec687f260 100644
--- a/ReactAndroid/src/main/third-party/java/okio/BUCK
+++ b/ReactAndroid/src/main/third-party/java/okio/BUCK
@@ -8,6 +8,6 @@ fb_native.prebuilt_jar(
 
 fb_native.remote_file(
     name = "okio-binary.jar",
-    sha1 = "102d7be47241d781ef95f1581d414b0943053130",
-    url = "mvn:com.squareup.okio:okio:jar:1.14.0",
+    sha1 = "bc28b5a964c8f5721eb58ee3f3c47a9bcbf4f4d8",
+    url = "mvn:com.squareup.okio:okio:jar:1.15.0",
 )