diff --git a/build.gradle b/build.gradle
index a55399c..d9dfabd 100644
--- a/build.gradle
+++ b/build.gradle
@@ -62,7 +62,7 @@ sourceSets {
 
 dependencies {
     implementation 'org.apache.commons:commons-math3:3.6.1'
-    implementation files("lib/batmass-io-1.33.1.jar")
+    implementation files("lib/batmass-io-1.33.3.jar")
     // https://mvnrepository.com/artifact/org.apache.commons/commons-math3
     implementation group: 'org.apache.commons', name: 'commons-math3', version: '3.0'
 
diff --git a/lib/batmass-io-1.33.1.jar b/lib/batmass-io-1.33.3.jar
similarity index 97%
rename from lib/batmass-io-1.33.1.jar
rename to lib/batmass-io-1.33.3.jar
index 176ba90..3822276 100644
Binary files a/lib/batmass-io-1.33.1.jar and b/lib/batmass-io-1.33.3.jar differ
diff --git a/lib/batmass-io-1.33.1.pom b/lib/batmass-io-1.33.3.pom
similarity index 95%
rename from lib/batmass-io-1.33.1.pom
rename to lib/batmass-io-1.33.3.pom
index 1711c38..e40d730 100644
--- a/lib/batmass-io-1.33.1.pom
+++ b/lib/batmass-io-1.33.3.pom
@@ -9,7 +9,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.github.chhh</groupId>
   <artifactId>batmass-io</artifactId>
-  <version>1.33.1</version>
+  <version>1.33.3</version>
   <dependencies>
     <dependency>
       <groupId>com.google.guava</groupId>
@@ -77,12 +77,6 @@
       <version>1.10.0</version>
       <scope>runtime</scope>
     </dependency>
-    <dependency>
-      <groupId>org.slf4j</groupId>
-      <artifactId>slf4j-api</artifactId>
-      <version>2.0.13</version>
-      <scope>runtime</scope>
-    </dependency>
     <dependency>
       <groupId>ch.qos.logback</groupId>
       <artifactId>logback-classic</artifactId>