diff --git a/util/crossgcc/buildgcc b/util/crossgcc/buildgcc
index d2004e8405..c69874d8f8 100755
--- a/util/crossgcc/buildgcc
+++ b/util/crossgcc/buildgcc
@@ -30,8 +30,8 @@
 
 cd "$(dirname "$0")" || exit 1
 
-CROSSGCC_DATE="October 2nd, 2018"
-CROSSGCC_VERSION="1.54"
+CROSSGCC_DATE="October 3nd, 2018"
+CROSSGCC_VERSION="1.55"
 CROSSGCC_COMMIT=$( git describe )
 
 # default settings
@@ -54,7 +54,7 @@ GCC_VERSION=8.1.0
 GCC_AUTOCONF_VERSION=2.69
 BINUTILS_VERSION=2.30
 GDB_VERSION=8.0
-IASL_VERSION=20180810
+IASL_VERSION=20181003
 PYTHON_VERSION=3.7.0
 EXPAT_VERSION=2.2.5
 # CLANG version number
diff --git a/util/crossgcc/patches/acpica-unix2-20180810_iasl.patch b/util/crossgcc/patches/acpica-unix2-20181003_iasl.patch
similarity index 58%
rename from util/crossgcc/patches/acpica-unix2-20180810_iasl.patch
rename to util/crossgcc/patches/acpica-unix2-20181003_iasl.patch
index 58ccb02a7e..8110b61771 100644
--- a/util/crossgcc/patches/acpica-unix2-20180810_iasl.patch
+++ b/util/crossgcc/patches/acpica-unix2-20181003_iasl.patch
@@ -1,27 +1,27 @@
-diff -Naur acpica-unix2-20180810_/source/compiler/asloptions.c acpica-unix2-20180810/source/compiler/asloptions.c > acpica-unix2-20180810_iasl.patch
---- acpica-unix2-20180810_/source/compiler/asloptions.c
-+++ acpica-unix2-20180810/source/compiler/asloptions.c
+diff -Naur acpica-unix2-20181003.orig/source/compiler/asloptions.c acpica-unix2-20181003/source/compiler/asloptions.c
+--- acpica-unix2-20181003.orig/source/compiler/asloptions.c	2018-09-27 07:15:04.000000000 -0700
++++ acpica-unix2-20181003/source/compiler/asloptions.c	2018-10-03 12:48:08.346641839 -0700
 @@ -126,6 +126,7 @@
-     if (Gbl_DoSignon)
+     if (AslGbl_DoSignon)
      {
          printf (ACPI_COMMON_SIGNON (ASL_COMPILER_NAME));
-+        printf ("%s\n", COREBOOT_TOOLCHAIN_VERSION);
-         if (Gbl_IgnoreErrors)
++	printf ("%s\n", COREBOOT_TOOLCHAIN_VERSION);
+         if (AslGbl_IgnoreErrors)
          {
              printf ("Ignoring all errors, forcing AML file generation\n\n");
 @@ -753,6 +754,7 @@
          case '^':
-
+ 
              printf (ACPI_COMMON_SIGNON (ASL_COMPILER_NAME));
 +            printf ("%s\n", COREBOOT_TOOLCHAIN_VERSION);
              exit (0);
-
+ 
          case 'a':
 @@ -766,6 +768,7 @@
-
+ 
              printf (ACPI_COMMON_SIGNON (ASL_COMPILER_NAME));
              printf (ACPI_COMMON_BUILD_TIME);
 +            printf ("%s\n", COREBOOT_TOOLCHAIN_VERSION);
              exit (0);
-
+ 
          case 'e':
diff --git a/util/crossgcc/sum/acpica-unix2-20180810.tar.gz.cksum b/util/crossgcc/sum/acpica-unix2-20180810.tar.gz.cksum
deleted file mode 100644
index 5bb6076882..0000000000
--- a/util/crossgcc/sum/acpica-unix2-20180810.tar.gz.cksum
+++ /dev/null
@@ -1 +0,0 @@
-b8e1a287557dda6f4b71c4172a7a9123b6ffaf2a  tarballs/acpica-unix2-20180810.tar.gz
diff --git a/util/crossgcc/sum/acpica-unix2-20181003.tar.gz.cksum b/util/crossgcc/sum/acpica-unix2-20181003.tar.gz.cksum
new file mode 100644
index 0000000000..26df02c1bd
--- /dev/null
+++ b/util/crossgcc/sum/acpica-unix2-20181003.tar.gz.cksum
@@ -0,0 +1 @@
+663d11e3b54b152059515eac04130d8b0d49964b  tarballs/acpica-unix2-20181003.tar.gz