diff --git a/causalpath.iml b/causalpath.iml
index bd20c70..5988c40 100644
--- a/causalpath.iml
+++ b/causalpath.iml
@@ -13,8 +13,8 @@
     <orderEntry type="library" name="Maven: org.apache.commons:commons-compress:1.7" level="project" />
     <orderEntry type="library" name="Maven: org.tukaani:xz:1.4" level="project" />
     <orderEntry type="library" name="Maven: org.apache.commons:commons-collections4:4.0" level="project" />
-    <orderEntry type="library" name="Maven: org.apache.poi:poi:3.11-beta2" level="project" />
-    <orderEntry type="library" name="Maven: commons-codec:commons-codec:1.9" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.poi:poi:3.17" level="project" />
+    <orderEntry type="library" name="Maven: commons-codec:commons-codec:1.10" level="project" />
     <orderEntry type="library" name="Maven: org.apache.poi:poi-ooxml:3.11-beta2" level="project" />
     <orderEntry type="library" name="Maven: org.apache.poi:poi-ooxml-schemas:3.11-beta2" level="project" />
     <orderEntry type="library" name="Maven: org.apache.xmlbeans:xmlbeans:2.6.0" level="project" />
diff --git a/pom.xml b/pom.xml
index c2a35ee..47ae28f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
 	<groupId>org.panda</groupId>
 	<artifactId>causalpath</artifactId>
-	<version>1.2.0-SNAPSHOT</version>
+	<version>1.2.0</version>
 
 	<repositories>
 		<repository>
@@ -53,12 +53,12 @@
 		<dependency>
 			<groupId>org.panda</groupId>
 			<artifactId>utility</artifactId>
-			<version>1.2.0-SNAPSHOT</version>
+			<version>1.2.0</version>
 		</dependency>
 		<dependency>
 			<groupId>org.panda</groupId>
 			<artifactId>resource</artifactId>
-			<version>1.2.0-SNAPSHOT</version>
+			<version>1.2.0</version>
 		</dependency>
 		<dependency>
 			<groupId>junit</groupId>
diff --git a/src/main/java/org/panda/causalpath/run/JasonizeResultGraphsRecursively.java b/src/main/java/org/panda/causalpath/run/JasonizeResultGraphsRecursively.java
index 4b49600..4430bd3 100644
--- a/src/main/java/org/panda/causalpath/run/JasonizeResultGraphsRecursively.java
+++ b/src/main/java/org/panda/causalpath/run/JasonizeResultGraphsRecursively.java
@@ -1,6 +1,7 @@
 package org.panda.causalpath.run;
 
 import org.panda.causalpath.network.GraphWriter;
+import org.panda.utility.FileUtil;
 
 import java.io.File;
 import java.io.IOException;
@@ -31,7 +32,7 @@ private static void generate(String inBase, String inDir, String sifName, String
 		String sifPath = inDir + File.separator + sifName + ".sif";
 		String formatPath = inDir + File.separator + sifName + ".format";
 
-		if (Files.exists(Paths.get(sifPath)) && Files.exists(Paths.get(formatPath)))
+		if (Files.exists(Paths.get(sifPath)) && !FileUtil.isEmpty(sifPath) && Files.exists(Paths.get(formatPath)))
 		{
 			String outDir = inDir.replace(inBase, outBase);
 			Files.createDirectories(Paths.get(outDir));