diff --git a/iasl/.signature b/iasl/.signature
index 913aaabec..4cc79d011 100644
--- a/iasl/.signature
+++ b/iasl/.signature
@@ -1,5 +1,5 @@
 untrusted comment: verify with /etc/ports/contrib.pub
-RWSagIOpLGJF3yg6nl6GbM8A0iCr6tl5obcdyu07/WTiz/A/O+kgra6m3+5FwkyZOP0Sq3/fLsJdgtG6pkUy4UzzEho23oSPcQE=
-SHA256 (Pkgfile) = 3dce61b60307c34cd22aa42eb9d363ad25dfbaadc5b1c74692b92adbcc01f621
+RWSagIOpLGJF33ILXrFe1XlVvgoAAvkJeQe+VSfmv01kX+NMFkXhi1Nppb8Zufl7tjp8gVBbFItso8hy3aE2Uk4j1c1WEFbieQo=
+SHA256 (Pkgfile) = e278c694f94a495be2b2a3abec04e5890ef9a408e5881551ef5835fd8409bbd1
 SHA256 (.footprint) = 8d2c017d70670b63ceb84acc621f4f45389d584dcffefaf4ec15ebe0b1a993c6
-SHA256 (acpica-unix2-20190108.tar.gz) = 727b0691660f823046b3e7df0e9a27f908d9fdc1f8dc4ec88d99773c28fd61ac
+SHA256 (acpica-unix2-20190509.tar.gz) = 860b5f94a0590b278592acf16a4556b05ff0309c08e8c48aa29827cfa02c8e9d
diff --git a/iasl/Pkgfile b/iasl/Pkgfile
index c2dde164f..1dcd30ecc 100644
--- a/iasl/Pkgfile
+++ b/iasl/Pkgfile
@@ -3,7 +3,7 @@
 # Maintainer:  John Vogel, jvogel4 at stny dot rr dot com
 
 name=iasl
-version=20190108
+version=20190509
 release=1
 source=(https://acpica.org/sites/acpica/files/acpica-unix2-$version.tar.gz)