diff --git a/0033b2fea25a2034ee064bffcb01fad1863fda5d.zip b/0033b2fea25a2034ee064bffcb01fad1863fda5d.zip
deleted file mode 100644
index 7e1e96d..0000000
--- a/0033b2fea25a2034ee064bffcb01fad1863fda5d.zip
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:9ff125a90f7285cc96e7a36543efdcaca94108bdd17819bd8ebe744ba69a9bf7
-size 121420076
diff --git a/51a5857d24eca5e220ccd932bc98e9f1d0438e71.zip b/51a5857d24eca5e220ccd932bc98e9f1d0438e71.zip
new file mode 100644
index 0000000..b6a4a32
--- /dev/null
+++ b/51a5857d24eca5e220ccd932bc98e9f1d0438e71.zip
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:48df1369bcbd90c5ffaa8708465edb4e7b6f3f4504edb58143cee093f16caea6
+size 26391115
diff --git a/6968c18d74cedfde4406ac680b869f14d4ba2ed2.zip b/6968c18d74cedfde4406ac680b869f14d4ba2ed2.zip
deleted file mode 100644
index 2b910a7..0000000
--- a/6968c18d74cedfde4406ac680b869f14d4ba2ed2.zip
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:74203efa15f569c2c437ef0c2855954ab8b928f2b97abe3c0373cfa6df3f9b81
-size 26391010
diff --git a/8cf8a305812fe1f710d79d215f17bff241a6c4d6.zip b/8cf8a305812fe1f710d79d215f17bff241a6c4d6.zip
new file mode 100644
index 0000000..6769484
--- /dev/null
+++ b/8cf8a305812fe1f710d79d215f17bff241a6c4d6.zip
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:259673f2a06e4506085c93d9aeeb89b54eb893bac8286ea5399e2b2d7c85dc67
+size 121420078
diff --git a/java-1_8_0-openj9.spec b/java-1_8_0-openj9.spec
index d85f3b4..4000f27 100644
--- a/java-1_8_0-openj9.spec
+++ b/java-1_8_0-openj9.spec
@@ -28,15 +28,15 @@
 %global updatever       242
 %global buildver        b08
 %global root_repository https://github.com/ibmruntimes/openj9-openjdk-jdk8/archive
-%global root_revision   0033b2fea25a2034ee064bffcb01fad1863fda5d
+%global root_revision   8cf8a305812fe1f710d79d215f17bff241a6c4d6
 %global root_branch     openj9-0.18.0
 %global omr_repository  https://github.com/eclipse/openj9-omr/archive
 %global omr_revision    7a1b0239a91f9d8819cb541812b4d774edd5bba4
 %global omr_branch      v0.18.0-release
 %global openj9_repository https://github.com/eclipse/openj9/archive
-%global openj9_revision 6968c18d74cedfde4406ac680b869f14d4ba2ed2
-%global openj9_branch   v0.18.0-release
-%global openj9_tag      openj9-0.18.0
+%global openj9_revision 51a5857d24eca5e220ccd932bc98e9f1d0438e71
+%global openj9_branch   v0.18.1-release
+%global openj9_tag      openj9-0.18.1
 %global icedtea_sound_version 1.0.1
 # priority must be 6 digits in total
 %global priority        1801
diff --git a/openj9-nogit.patch.in b/openj9-nogit.patch.in
index fb80082..089254f 100644
--- a/openj9-nogit.patch.in
+++ b/openj9-nogit.patch.in
@@ -1,5 +1,5 @@
 --- a/closed/OpenJ9.gmk	2020-01-23 11:32:56.700658325 +0100
-+++ b/closed/OpenJ9.gmk	2020-01-23 11:48:34.737730143 +0100
++++ b/closed/OpenJ9.gmk	2020-01-23 23:25:54.764578248 +0100
 @@ -29,15 +29,15 @@
    BUILD_ID := 000000
  endif
@@ -28,3 +28,14 @@
  ifeq (,$(OPENJ9OMR_SHA))
    $(error Could not determine OMR SHA)
  endif
+--- a/jdk/make/closed/autoconf/custom-hook.m4	2020-01-23 11:32:57.428662256 +0100
++++ b/jdk/make/closed/autoconf/custom-hook.m4	2020-01-23 23:30:36.802221424 +0100
+@@ -368,7 +368,7 @@
+   AC_SUBST(JDK_MOD_VERSION)
+   AC_SUBST(JDK_FIX_VERSION)
+ 
+-  OPENJDK_SHA=`git -C $SRC_ROOT rev-parse --short HEAD`
++  OPENJDK_SHA=@OPENJDK_SHA@
+ 
+   AC_SUBST(OPENJDK_SHA)
+