diff --git a/contrib/completion/bash/devtools.in b/contrib/completion/bash/devtools.in
index b28258f..e0fca51 100644
--- a/contrib/completion/bash/devtools.in
+++ b/contrib/completion/bash/devtools.in
@@ -173,6 +173,7 @@ _pkgctl_build_args=(
 	--pkgver
 	--pkgrel
 	--rebuild
+	--updpkgsums
 	-e --edit
 
 	-r --release
diff --git a/contrib/completion/zsh/_devtools.in b/contrib/completion/zsh/_devtools.in
index 49c4113..d3d6df0 100644
--- a/contrib/completion/zsh/_devtools.in
+++ b/contrib/completion/zsh/_devtools.in
@@ -47,6 +47,7 @@ _pkgctl_build_args=(
 	'--pkgver=[Set pkgver, reset pkgrel and update checksums]:pkgver:'
 	'--pkgrel=[Set pkgrel to a given value]:pkgrel:'
 	'--rebuild[Increment the pkgrel variable]'
+	'--updpkgsums[Regenerate the checksums]'
 	'(-e --edit)'{-e,--edit}'[Edit the PKGBUILD before building]'
 	'(-r --release)'{-r,--release}'[Automatically commit, tag and release after building]'
 	'(-m --message=)'{-m,--message=}"[Use the given <msg> as the commit message]:message:"
diff --git a/doc/man/pkgctl-build.1.asciidoc b/doc/man/pkgctl-build.1.asciidoc
index f68e7cf..2637ebc 100644
--- a/doc/man/pkgctl-build.1.asciidoc
+++ b/doc/man/pkgctl-build.1.asciidoc
@@ -59,6 +59,9 @@ PKGBUILD Options
 *--rebuild*::
 	Increment the current pkgrel variable
 
+*--updpkgsums*::
+	Regenerate the checksums
+
 *-e, --edit*::
 	Edit the PKGBUILD before building
 
diff --git a/src/lib/build/build.sh b/src/lib/build/build.sh
index 455f38a..8d58b63 100644
--- a/src/lib/build/build.sh
+++ b/src/lib/build/build.sh
@@ -55,6 +55,7 @@ pkgctl_build_usage() {
 		    --pkgver=PKGVER      Set pkgver, reset pkgrel and update checksums
 		    --pkgrel=PKGREL      Set pkgrel to a given value
 		    --rebuild            Increment the current pkgrel variable
+		    --updpkgsums         Regenerate the checksums
 		    -e, --edit           Edit the PKGBUILD before building
 
 		RELEASE OPTIONS
@@ -169,6 +170,10 @@ pkgctl_build() {
 				PKGREL="${1#*=}"
 				shift
 				;;
+			--updpkgsums)
+				UPDPKGSUMS=1
+				shift
+				;;
 			--rebuild)
 				# shellcheck source=src/lib/util/git.sh
 				source "${_DEVTOOLS_LIBRARY_DIR}"/lib/util/git.sh