diff --git a/core/build.gradle b/core/build.gradle
index 288f04318..e2d2caf59 100644
--- a/core/build.gradle
+++ b/core/build.gradle
@@ -6,7 +6,7 @@ version = '0.15-SNAPSHOT'
 archivesBaseName = 'bitcoinj-core'
 
 dependencies {
-    compile 'org.bouncycastle:bcprov-jdk15on:1.58'
+    compile 'org.bouncycastle:bcprov-jdk15on:1.60'
     implementation 'com.lambdaworks:scrypt:1.4.0'
     implementation 'com.google.guava:guava:24.0-android'
     compile 'com.google.protobuf:protobuf-java:3.5.1'
diff --git a/core/src/main/java/org/bitcoinj/core/ECKey.java b/core/src/main/java/org/bitcoinj/core/ECKey.java
index bd7103668..0e946514a 100644
--- a/core/src/main/java/org/bitcoinj/core/ECKey.java
+++ b/core/src/main/java/org/bitcoinj/core/ECKey.java
@@ -136,10 +136,8 @@ public class ECKey implements EncryptableItem {
         if (Utils.isAndroidRuntime())
             new LinuxSecureRandom();
 
-        // Tell Bouncy Castle to precompute data that's needed during secp256k1 calculations. Increasing the width
-        // number makes calculations faster, but at a cost of extra memory usage and with decreasing returns. 12 was
-        // picked after consulting with the BC team.
-        FixedPointUtil.precompute(CURVE_PARAMS.getG(), 12);
+        // Tell Bouncy Castle to precompute data that's needed during secp256k1 calculations.
+        FixedPointUtil.precompute(CURVE_PARAMS.getG());
         CURVE = new ECDomainParameters(CURVE_PARAMS.getCurve(), CURVE_PARAMS.getG(), CURVE_PARAMS.getN(),
                 CURVE_PARAMS.getH());
         HALF_CURVE_ORDER = CURVE_PARAMS.getN().shiftRight(1);