diff --git a/build.gradle b/build.gradle
index 4d069e3b..3e901683 100644
--- a/build.gradle
+++ b/build.gradle
@@ -45,7 +45,7 @@ ext {
     gitCommitCount = Integer.parseInt('git rev-list --count HEAD'.execute([], project.rootDir).text.trim())
 
     versionNameMinor = 0
-    versionNamePatch = 3
+    versionNamePatch = 4
 
     outDir = file("$rootDir/out")
 }
diff --git a/template/magisk_module/README.md b/template/magisk_module/README.md
index 96d6b781..5dae6067 100644
--- a/template/magisk_module/README.md
+++ b/template/magisk_module/README.md
@@ -32,6 +32,11 @@ Many TWRP has broken implementations, which will finally cause Riru and Riru mod
 
 ## Changelog
 
+### v26.0.4 (2021-07-30)
+- Fix flock not working on some devices
+
+  This is a bug from Magisk's busybox and it will be fixed [here](https://github.com/topjohnwu/ndk-busybox/commit/d75558194ae9c9dfaa21a4e514c91ec6127016f9). As a workaround, we set `SHELL` in the script manually.
+
 ### v26.0.3 (2021-07-27)
 
 - Reset SELinux context for module files when necessary