diff --git a/.idea/libraries/bld.xml b/.idea/libraries/bld.xml
index 0b615c1..a2969be 100644
--- a/.idea/libraries/bld.xml
+++ b/.idea/libraries/bld.xml
@@ -2,12 +2,12 @@
   <library name="bld">
     <CLASSES>
       <root url="file://$PROJECT_DIR$/lib/bld" />
-      <root url="jar://$USER_HOME$/.bld/dist/bld-1.9.0.jar!/" />
+      <root url="jar://$USER_HOME$/.bld/dist/bld-1.9.1.jar!/" />
     </CLASSES>
     <JAVADOC />
     <SOURCES>
       <root url="file://$PROJECT_DIR$/lib/bld" />
-      <root url="jar://$USER_HOME$/.bld/dist/bld-1.9.0-sources.jar!/" />
+      <root url="jar://$USER_HOME$/.bld/dist/bld-1.9.1-sources.jar!/" />
     </SOURCES>
     <excluded>
       <root url="jar://$PROJECT_DIR$/lib/bld/bld-wrapper.jar!/" />
diff --git a/README.md b/README.md
index add1696..4ac4370 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,8 @@
 # mobibot
 
 [![License (3-Clause BSD)](https://img.shields.io/badge/license-BSD%203--Clause-blue.svg)](https://opensource.org/licenses/BSD-3-Clause)
-[![Kotlin](https://img.shields.io/badge/kotlin-1.9.23-7f52ff.svg)](https://kotlinlang.org)
-[![bld](https://img.shields.io/badge/1.9.0-FA9052?label=bld&labelColor=2392FF)](https://rife2.com/bld)
+[![Kotlin](https://img.shields.io/badge/kotlin-1.9.24-7f52ff.svg)](https://kotlinlang.org)
+[![bld](https://img.shields.io/badge/1.9.1-FA9052?label=bld&labelColor=2392FF)](https://rife2.com/bld)
 [![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=ethauvin_mobibot&metric=alert_status)](https://sonarcloud.io/summary/new_code?id=ethauvin_mobibot)
 [![GitHub CI](https://github.com/ethauvin/mobibot/actions/workflows/bld.yml/badge.svg)](https://github.com/ethauvin/mobibot/actions/workflows/bld.yml)
 [![CircleCI](https://circleci.com/gh/ethauvin/mobibot/tree/master.svg?style=shield)](https://circleci.com/gh/ethauvin/mobibot/tree/master)
diff --git a/lib/bld/bld-wrapper.jar b/lib/bld/bld-wrapper.jar
index a0b841f..8a6c641 100644
Binary files a/lib/bld/bld-wrapper.jar and b/lib/bld/bld-wrapper.jar differ
diff --git a/lib/bld/bld-wrapper.properties b/lib/bld/bld-wrapper.properties
index 8911afc..c23d7bb 100644
--- a/lib/bld/bld-wrapper.properties
+++ b/lib/bld/bld-wrapper.properties
@@ -2,9 +2,9 @@ bld.downloadExtensionJavadoc=false
 bld.downloadExtensionSources=true
 bld.extension-jacoco=com.uwyn.rife2:bld-jacoco-report:0.9.5
 bld.extensions=com.uwyn.rife2:bld-generated-version:0.9.6-SNAPSHOT
-bld.extensions-kotlin=com.uwyn.rife2:bld-kotlin:0.9.3
+bld.extensions-kotlin=com.uwyn.rife2:bld-kotlin:0.9.4
 bld.extensions-detekt=com.uwyn.rife2:bld-detekt:0.9.4-SNAPSHOT
 bld.repositories=MAVEN_LOCAL,MAVEN_CENTRAL,RIFE2_SNAPSHOTS,RIFE2_RELEASES
 bld.downloadLocation=
 bld.sourceDirectories=
-bld.version=1.9.0
+bld.version=1.9.1
diff --git a/src/bld/java/net/thauvin/erik/MobibotBuild.java b/src/bld/java/net/thauvin/erik/MobibotBuild.java
index a5e5957..576e378 100644
--- a/src/bld/java/net/thauvin/erik/MobibotBuild.java
+++ b/src/bld/java/net/thauvin/erik/MobibotBuild.java
@@ -58,6 +58,7 @@ import static rife.bld.dependencies.Scope.test;
 
 public class MobibotBuild extends Project {
     private static final String DETEKT_BASELINE = "config/detekt/baseline.xml";
+    final File srcMainKotlin = new File(srcMainDirectory(), "kotlin");
 
     public MobibotBuild() {
         pkg = "net.thauvin.erik.mobibot";
@@ -77,18 +78,18 @@ public class MobibotBuild extends Project {
                 SONATYPE_SNAPSHOTS_LEGACY);
 
         var log4j = version(2, 23, 1);
-        var kotlin = version(1, 9, 23);
+        var kotlin = version(1, 9, 24);
         scope(compile)
                 // PircBotX
                 .include(dependency("com.github.pircbotx", "pircbotx", "2.3.1"))
                 // Commons (mostly for PircBotX)
                 .include(dependency("org.apache.commons", "commons-lang3", "3.14.0"))
                 .include(dependency("org.apache.commons", "commons-text", "1.12.0"))
-                .include(dependency("commons-codec", "commons-codec", "1.16.1"))
+                .include(dependency("commons-codec", "commons-codec", "1.17.0"))
                 .include(dependency("commons-net", "commons-net", "3.10.0"))
                 // Google
                 .include(dependency("com.google.code.gson", "gson", "2.10.1"))
-                .include(dependency("com.google.guava", "guava", "33.1.0-jre"))
+                .include(dependency("com.google.guava", "guava", "33.2.0-jre"))
                 .include(dependency("com.google.cloud", "google-cloud-vertexai", "1.2.0"))
                 // Kotlin
                 .include(dependency("org.jetbrains.kotlin", "kotlin-stdlib", kotlin))
@@ -124,7 +125,7 @@ public class MobibotBuild extends Project {
                 .manifestAttribute(Attributes.Name.MAIN_CLASS, mainClass())
                 .manifestAttribute(Attributes.Name.CLASS_PATH, ". " + String.join(" ", jars));
 
-        jarSourcesOperation().sourceDirectories(new File(srcMainDirectory(), "kotlin"));
+        jarSourcesOperation().sourceDirectories(srcMainKotlin);
     }
 
     public static void main(String[] args) {
@@ -182,6 +183,7 @@ public class MobibotBuild extends Project {
     public void jacoco() throws IOException {
         new JacocoReportOperation()
                 .fromProject(this)
+                .sourceFiles(srcMainKotlin)
                 .execute();
     }