diff --git a/.classpath b/.classpath
index e689084f27..fc3394904a 100644
--- a/.classpath
+++ b/.classpath
@@ -28,8 +28,8 @@
 	<classpathentry kind="lib" path="lib/jmh-generator-annprocess-1.19.jar"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
 	<classpathentry exported="true" kind="lib" path="compile-lib/slf4j-api-1.7.25.jar"/>
-	<classpathentry kind="lib" path="compile-lib/bcpkix-jdk15on-1.59.jar"/>
-	<classpathentry kind="lib" path="compile-lib/bcprov-ext-jdk15on-1.59.jar"/>
+	<classpathentry kind="lib" path="compile-lib/bcpkix-jdk15on-1.60.jar"/>
+	<classpathentry kind="lib" path="compile-lib/bcprov-ext-jdk15on-1.60.jar"/>
 	<classpathentry exported="true" kind="lib" path="compile-lib/xmlsec-2.1.0.jar"/>
 	<classpathentry exported="true" kind="lib" path="lib/commons-codec-1.11.jar"/>
 	<classpathentry exported="true" kind="lib" path="lib/commons-logging-1.2.jar"/>
diff --git a/build.gradle b/build.gradle
index 771c7cdb5f..53044f830a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -232,7 +232,7 @@ project('ooxml') {
         compile 'org.apache.commons:commons-math3:3.6.1'
         compile 'org.apache.commons:commons-compress:1.18'
         compile 'org.apache.santuario:xmlsec:2.1.0'
-        compile 'org.bouncycastle:bcpkix-jdk15on:1.59'
+        compile 'org.bouncycastle:bcpkix-jdk15on:1.60'
         compile 'com.github.virtuald:curvesapi:1.05'
 
         // for ooxml-lite, should we move this somewhere else?
diff --git a/build.xml b/build.xml
index 59a82b7414..abe465528d 100644
--- a/build.xml
+++ b/build.xml
@@ -202,10 +202,10 @@ under the License.
     <!-- xml signature libs -->
     <property name="dsig.xmlsec.jar" location="${compile.lib}/xmlsec-2.1.0.jar"/>
     <property name="dsig.xmlsec.url" value="${repository.m2}/maven2/org/apache/santuario/xmlsec/2.1.0/xmlsec-2.1.0.jar"/>
-    <property name="dsig.bouncycastle-prov.jar" location="${compile.lib}/bcprov-ext-jdk15on-1.59.jar"/>
-    <property name="dsig.bouncycastle-prov.url" value="${repository.m2}/maven2/org/bouncycastle/bcprov-ext-jdk15on/1.59/bcprov-ext-jdk15on-1.59.jar"/>
-    <property name="dsig.bouncycastle-pkix.jar" location="${compile.lib}/bcpkix-jdk15on-1.59.jar"/>
-    <property name="dsig.bouncycastle-pkix.url" value="${repository.m2}/maven2/org/bouncycastle/bcpkix-jdk15on/1.59/bcpkix-jdk15on-1.59.jar"/>
+    <property name="dsig.bouncycastle-prov.jar" location="${compile.lib}/bcprov-ext-jdk15on-1.60.jar"/>
+    <property name="dsig.bouncycastle-prov.url" value="${repository.m2}/maven2/org/bouncycastle/bcprov-ext-jdk15on/1.60/bcprov-ext-jdk15on-1.60.jar"/>
+    <property name="dsig.bouncycastle-pkix.jar" location="${compile.lib}/bcpkix-jdk15on-1.60.jar"/>
+    <property name="dsig.bouncycastle-pkix.url" value="${repository.m2}/maven2/org/bouncycastle/bcpkix-jdk15on/1.60/bcpkix-jdk15on-1.60.jar"/>
     <property name="dsig.sl4j-api.jar" location="${compile.lib}/slf4j-api-1.7.25.jar"/>
     <property name="dsig.sl4j-api.url" value="${repository.m2}/maven2/org/slf4j/slf4j-api/1.7.25/slf4j-api-1.7.25.jar"/>
 
@@ -294,10 +294,10 @@ under the License.
     <property name="halt.on.test.failure" value="true"/>
 
     <!-- helper jars for pgp signing, building and nexus staging -->
-    <property name="dist.bouncycastle-prov.jar" location="${compile.lib}/bcprov-ext-jdk15on-1.59.jar"/>
-    <property name="dist.bouncycastle-prov.url" value="${repository.m2}/maven2/org/bouncycastle/bcprov-ext-jdk15on/1.59/bcprov-ext-jdk15on-1.59.jar"/>
-    <property name="dist.bouncycastle-bcpg.jar" location="${compile.lib}/bcpg-jdk15on-1.59.jar"/>
-    <property name="dist.bouncycastle-bcpg.url" value="${repository.m2}/maven2/org/bouncycastle/bcpg-jdk15on/1.59/bcpg-jdk15on-1.59.jar"/>
+    <property name="dist.bouncycastle-prov.jar" location="${compile.lib}/bcprov-ext-jdk15on-1.60.jar"/>
+    <property name="dist.bouncycastle-prov.url" value="${repository.m2}/maven2/org/bouncycastle/bcprov-ext-jdk15on/1.60/bcprov-ext-jdk15on-1.60.jar"/>
+    <property name="dist.bouncycastle-bcpg.jar" location="${compile.lib}/bcpg-jdk15on-1.60.jar"/>
+    <property name="dist.bouncycastle-bcpg.url" value="${repository.m2}/maven2/org/bouncycastle/bcpg-jdk15on/1.60/bcpg-jdk15on-1.60.jar"/>
     <property name="dist.commons-openpgp.jar" location="${compile.lib}/commons-openpgp-1.0-SNAPSHOT.jar"/>
     <property name="dist.commons-openpgp.url" value="https://repository.apache.org/snapshots/org/apache/commons/commons-openpgp/1.0-SNAPSHOT/commons-openpgp-1.0-20140717.171036-11.jar"/>
     <property name="dist.nexus-staging.jar" location="${compile.lib}/nexus-staging-ant-tasks-1.6.3-uber.jar"/>
@@ -676,10 +676,7 @@ under the License.
                 <include name="xmlsec-2.0.1.jar"/>
                 <include name="xmlsec-2.0.5.jar"/>
                 <include name="xmlsec-2.0.6.jar"/>
-                <include name="bc*jdk15on-1.51.jar"/>
-                <include name="bc*jdk15on-1.53.jar"/>
-                <include name="bc*jdk15on-1.54.jar"/>
-                <include name="bc*jdk15on-1.58.jar"/>
+                <include name="bc*jdk15on-1.5*.jar"/>
                 <include name="slf4j-api-1.7.7.jar"/>
                 <include name="slf4j-api-1.7.12.jar"/>
             </fileset>
diff --git a/sonar/ooxml/pom.xml b/sonar/ooxml/pom.xml
index 72c5229322..c61f42ecde 100644
--- a/sonar/ooxml/pom.xml
+++ b/sonar/ooxml/pom.xml
@@ -137,12 +137,12 @@
         <dependency>
             <groupId>org.bouncycastle</groupId>
             <artifactId>bcpkix-jdk15on</artifactId>
-            <version>1.59</version>
+            <version>1.60</version>
         </dependency>
         <dependency>
             <groupId>org.bouncycastle</groupId>
             <artifactId>bcprov-jdk15on</artifactId>
-            <version>1.59</version>
+            <version>1.60</version>
         </dependency>
         <dependency>
             <groupId>org.apache.santuario</groupId>
diff --git a/src/ooxml/java/org/apache/poi/poifs/crypt/dsig/SignatureInfo.java b/src/ooxml/java/org/apache/poi/poifs/crypt/dsig/SignatureInfo.java
index 86fcb58a4e..20c347d4d7 100644
--- a/src/ooxml/java/org/apache/poi/poifs/crypt/dsig/SignatureInfo.java
+++ b/src/ooxml/java/org/apache/poi/poifs/crypt/dsig/SignatureInfo.java
@@ -150,7 +150,7 @@ import org.w3c.dom.events.EventTarget;
  * <p>To use SignatureInfo and its sibling classes, you'll need to have the following libs
  * in the classpath:</p>
  * <ul>
- * <li>BouncyCastle bcpkix and bcprov (tested against 1.59)</li>
+ * <li>BouncyCastle bcpkix and bcprov (tested against 1.60)</li>
  * <li>Apache Santuario "xmlsec" (tested against 2.1.0)</li>
  * <li>and slf4j-api (tested against 1.7.25)</li>
  * </ul>