diff --git a/build.gradle b/build.gradle
index c0aca7e..d88adf6 100644
--- a/build.gradle
+++ b/build.gradle
@@ -42,7 +42,7 @@ ext{
                     compileSdk : 28,
                     gradlePlugin : '2.1.0',
                     buildTools  : '28.0.3',
-                    minSdk : 15,
+                    minSdk : 16,
                     targetSdk: 28
             ]
     ]
diff --git a/trustkit/src/main/java/com/datatheorem/android/trustkit/TrustKit.java b/trustkit/src/main/java/com/datatheorem/android/trustkit/TrustKit.java
index a2aef8e..ea9ed89 100644
--- a/trustkit/src/main/java/com/datatheorem/android/trustkit/TrustKit.java
+++ b/trustkit/src/main/java/com/datatheorem/android/trustkit/TrustKit.java
@@ -360,7 +360,7 @@ public static TrustKit getInstance() {
     @NonNull
     public SSLSocketFactory getSSLSocketFactory(@NonNull String serverHostname) {
         try {
-            SSLContext sslContext = SSLContext.getInstance("TLS");
+            SSLContext sslContext = SSLContext.getInstance("TLSv1.2");
             sslContext.init(null, new TrustManager[]{getTrustManager(serverHostname)}, null);
 
             return sslContext.getSocketFactory();
diff --git a/trustkit/src/main/java/com/datatheorem/android/trustkit/pinning/OkHttp2Helper.java b/trustkit/src/main/java/com/datatheorem/android/trustkit/pinning/OkHttp2Helper.java
index f8dcb36..c47fb40 100644
--- a/trustkit/src/main/java/com/datatheorem/android/trustkit/pinning/OkHttp2Helper.java
+++ b/trustkit/src/main/java/com/datatheorem/android/trustkit/pinning/OkHttp2Helper.java
@@ -39,7 +39,7 @@ public class OkHttp2Helper {
     @NonNull
     public static SSLSocketFactory getSSLSocketFactory() {
         try {
-            SSLContext sslContext = SSLContext.getInstance("TLS");
+            SSLContext sslContext = SSLContext.getInstance("TLSv1.2");
             sslContext.init(null, new X509TrustManager[]{trustManager}, null);
 
             return sslContext.getSocketFactory();
diff --git a/trustkit/src/main/java/com/datatheorem/android/trustkit/pinning/OkHttp3Helper.java b/trustkit/src/main/java/com/datatheorem/android/trustkit/pinning/OkHttp3Helper.java
index 8f176ba..5219e0c 100644
--- a/trustkit/src/main/java/com/datatheorem/android/trustkit/pinning/OkHttp3Helper.java
+++ b/trustkit/src/main/java/com/datatheorem/android/trustkit/pinning/OkHttp3Helper.java
@@ -39,7 +39,7 @@ public class OkHttp3Helper {
     @NonNull
     public static SSLSocketFactory getSSLSocketFactory() {
         try {
-            SSLContext sslContext = SSLContext.getInstance("TLS");
+            SSLContext sslContext = SSLContext.getInstance("TLSv1.2");
             sslContext.init(null, new X509TrustManager[]{trustManager}, null);
 
             return sslContext.getSocketFactory();
diff --git a/trustkit/src/main/java/com/datatheorem/android/trustkit/reporting/BackgroundReporterTask.java b/trustkit/src/main/java/com/datatheorem/android/trustkit/reporting/BackgroundReporterTask.java
index d4771e7..b9aea87 100644
--- a/trustkit/src/main/java/com/datatheorem/android/trustkit/reporting/BackgroundReporterTask.java
+++ b/trustkit/src/main/java/com/datatheorem/android/trustkit/reporting/BackgroundReporterTask.java
@@ -84,7 +84,7 @@ protected final Integer doInBackground(Object... params) {
     private static SSLSocketFactory getSystemSSLSocketFactory() {
         SSLContext context;
         try {
-            context = SSLContext.getInstance("TLS");
+            context = SSLContext.getInstance("TLSv1.2");
         } catch (NoSuchAlgorithmException e) {
             throw new IllegalStateException("Should never happen");
         }