diff --git a/PKGBUILD b/PKGBUILD
index bd71d80..f141a94 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -13,12 +13,19 @@ url="https://github.com/vivien/i3blocks"
 license=('GPL3')
 makedepends=('git')
 depends=('glibc')
-source=("${pkgname}-${pkgver}::git+https://github.com/vivien/${pkgname}#tag=${pkgver}?signed")
-sha512sums=('SKIP')
+source=("${pkgname}-${pkgver}::git+https://github.com/vivien/${pkgname}#tag=${pkgver}?signed"
+         i3blocks-1.5-fix-Makefile-bash-completion-dependency.patch)
+sha512sums=('SKIP'
+            'd3d21b200f71559156c994f94f2e05f92c61b807e7d4916f474730ad8e8769b813ecc1073b6cf7ab8ee5e6b13eed12c9d94d7d23d3c3bbb44943ebea28e504fd')
 backup=('etc/i3blocks.conf')
 validpgpkeys=('44C919BDF206CFDC49C7101A66C63FBDFD79670A')
 install=i3blocks.install
 
+prepare() {
+  # https://github.com/vivien/i3blocks/commit/a004d63291b937775934e226205cd65f1726d557
+  patch -Np1 -i ../i3blocks-1.5-fix-Makefile-bash-completion-dependency.patch -d "${pkgname}-${pkgver}"
+}
+
 build () {
   cd "${pkgname}-${pkgver}"
   ./autogen.sh
diff --git a/i3blocks-1.5-fix-Makefile-bash-completion-dependency.patch b/i3blocks-1.5-fix-Makefile-bash-completion-dependency.patch
new file mode 100644
index 0000000..f947d5e
--- /dev/null
+++ b/i3blocks-1.5-fix-Makefile-bash-completion-dependency.patch
@@ -0,0 +1,28 @@
+From a004d63291b937775934e226205cd65f1726d557 Mon Sep 17 00:00:00 2001
+From: rvalue <i@rvalue.moe>
+Date: Fri, 12 Nov 2021 18:59:41 +0800
+Subject: [PATCH] Makefile.am: fix bash-completion dependency
+
+Target `install-data-local` might be made before bashcompletion is
+ready. This change fix it.
+
+[vivien: reword commit message]
+Fixes: #402
+Closes: #457
+---
+ Makefile.am | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Makefile.am b/Makefile.am
+index d755a2b8..d72439c3 100644
+--- a/Makefile.am
++++ b/Makefile.am
+@@ -34,7 +34,7 @@ if ENABLE_BASH_COMPLETION
+ bashcompletiondir = $(BASH_COMPLETION_DIR)
+ bashcompletion_DATA = bash-completion
+ 
+-install-data-local:
++install-data-local: install-bashcompletionDATA
+ 	( cd '$(DESTDIR)$(BASH_COMPLETION_DIR)' && mv bash-completion i3blocks )
+ 
+ uninstall-local: