diff --git a/build.gradle b/build.gradle
index e1fd993..baa0de1 100644
--- a/build.gradle
+++ b/build.gradle
@@ -18,7 +18,7 @@ apply plugin: 'com.github.johnrengelman.shadow'
 apply plugin: 'eclipse'
 apply plugin: 'maven-publish'
 
-version = '0.4.4'
+version = '0.4.5'
 group = 'org.teaconmc'
 archivesBaseName = 'SlideShow'
 
diff --git a/src/main/java/org/teacon/slides/download/SlideDownloader.java b/src/main/java/org/teacon/slides/download/SlideDownloader.java
index 946e127..c93e048 100644
--- a/src/main/java/org/teacon/slides/download/SlideDownloader.java
+++ b/src/main/java/org/teacon/slides/download/SlideDownloader.java
@@ -75,7 +75,7 @@ public CompletableFuture<byte[]> download(URI location, boolean online) {
 
     private void ensureDirectory(Path parentPath) {
         try {
-            Files.createDirectory(parentPath);
+            Files.createDirectories(parentPath);
         } catch (IOException e) {
             throw new RuntimeException("Failed to create cache directory for slides.", e);
         }