diff --git a/integration/ide/gen-idea/resources/extended/idea/mill_modules/mill-build.iml b/integration/ide/gen-idea/resources/extended/idea/mill_modules/mill-build.iml
index fc0167e8528..f7a13ca1bc9 100644
--- a/integration/ide/gen-idea/resources/extended/idea/mill_modules/mill-build.iml
+++ b/integration/ide/gen-idea/resources/extended/idea/mill_modules/mill-build.iml
@@ -86,8 +86,8 @@
         <orderEntry type="library" name="mill-moduledefs_3-0.11.9.jar" level="project"/>
         <orderEntry type="library" name="munit_3-0.7.29.jar" level="project"/>
         <orderEntry type="library" scope="RUNTIME" name="native-terminal-no-ffm-0.0.9.1.jar" level="project"/>
-        <orderEntry type="library" name="os-lib_3-0.11.5-M9.jar" level="project"/>
-        <orderEntry type="library" name="os-zip-0.11.5-M9.jar" level="project"/>
+        <orderEntry type="library" name="os-lib_3-0.11.5-M10.jar" level="project"/>
+        <orderEntry type="library" name="os-zip-0.11.5-M10.jar" level="project"/>
         <orderEntry type="library" name="parsers_2.13-4.13.4.jar" level="project"/>
         <orderEntry type="library" scope="RUNTIME" name="plexus-archiver-4.10.0.jar" level="project"/>
         <orderEntry type="library" scope="RUNTIME" name="plexus-classworlds-2.6.0.jar" level="project"/>
diff --git a/integration/ide/gen-idea/resources/extended/idea/mill_modules/mill-build.mill-build.iml b/integration/ide/gen-idea/resources/extended/idea/mill_modules/mill-build.mill-build.iml
index 6b44feabd97..eddc80812d9 100644
--- a/integration/ide/gen-idea/resources/extended/idea/mill_modules/mill-build.mill-build.iml
+++ b/integration/ide/gen-idea/resources/extended/idea/mill_modules/mill-build.mill-build.iml
@@ -88,8 +88,8 @@
         <orderEntry type="library" name="mill-runner-codesig_3.jar" level="project"/>
         <orderEntry type="library" name="mill-runner-meta_3.jar" level="project"/>
         <orderEntry type="library" scope="RUNTIME" name="native-terminal-no-ffm-0.0.9.1.jar" level="project"/>
-        <orderEntry type="library" name="os-lib_3-0.11.5-M9.jar" level="project"/>
-        <orderEntry type="library" name="os-zip-0.11.5-M9.jar" level="project"/>
+        <orderEntry type="library" name="os-lib_3-0.11.5-M10.jar" level="project"/>
+        <orderEntry type="library" name="os-zip-0.11.5-M10.jar" level="project"/>
         <orderEntry type="library" name="parsers_2.13-4.13.4.jar" level="project"/>
         <orderEntry type="library" scope="RUNTIME" name="plexus-archiver-4.10.0.jar" level="project"/>
         <orderEntry type="library" scope="RUNTIME" name="plexus-classworlds-2.6.0.jar" level="project"/>
diff --git a/integration/ide/gen-idea/resources/hello-idea/idea/mill_modules/mill-build.iml b/integration/ide/gen-idea/resources/hello-idea/idea/mill_modules/mill-build.iml
index ff124419adc..ea887111575 100644
--- a/integration/ide/gen-idea/resources/hello-idea/idea/mill_modules/mill-build.iml
+++ b/integration/ide/gen-idea/resources/hello-idea/idea/mill_modules/mill-build.iml
@@ -82,8 +82,8 @@
         <orderEntry type="library" name="mill-libs_3.jar" level="project"/>
         <orderEntry type="library" name="mill-moduledefs_3-0.11.9.jar" level="project"/>
         <orderEntry type="library" scope="RUNTIME" name="native-terminal-no-ffm-0.0.9.1.jar" level="project"/>
-        <orderEntry type="library" name="os-lib_3-0.11.5-M9.jar" level="project"/>
-        <orderEntry type="library" name="os-zip-0.11.5-M9.jar" level="project"/>
+        <orderEntry type="library" name="os-lib_3-0.11.5-M10.jar" level="project"/>
+        <orderEntry type="library" name="os-zip-0.11.5-M10.jar" level="project"/>
         <orderEntry type="library" name="parsers_2.13-4.13.4.jar" level="project"/>
         <orderEntry type="library" scope="RUNTIME" name="plexus-archiver-4.10.0.jar" level="project"/>
         <orderEntry type="library" scope="RUNTIME" name="plexus-classworlds-2.6.0.jar" level="project"/>
diff --git a/mill-build/src/millbuild/Deps.scala b/mill-build/src/millbuild/Deps.scala
index 6f8a12059aa..ac31a77e6e2 100644
--- a/mill-build/src/millbuild/Deps.scala
+++ b/mill-build/src/millbuild/Deps.scala
@@ -131,7 +131,7 @@ object Deps {
   val junitInterface = mvn"com.github.sbt:junit-interface:0.13.3"
   val commonsIo = mvn"commons-io:commons-io:2.18.0"
   val log4j2Core = mvn"org.apache.logging.log4j:log4j-core:2.24.3"
-  val osLibVersion = "0.11.5-M9"
+  val osLibVersion = "0.11.5-M10"
   val osLib = mvn"com.lihaoyi::os-lib:$osLibVersion"
   val osLibWatch = mvn"com.lihaoyi::os-lib-watch:$osLibVersion"
   val pprint = mvn"com.lihaoyi::pprint:0.9.0"