diff --git a/layers/ubuntu1804/clang/autogenerated_dus_timestamp.txt b/layers/ubuntu1804/clang/autogenerated_dus_timestamp.txt
index e7ff2b8c..71120a21 100644
--- a/layers/ubuntu1804/clang/autogenerated_dus_timestamp.txt
+++ b/layers/ubuntu1804/clang/autogenerated_dus_timestamp.txt
@@ -1 +1 @@
-Mon Nov 16 16:05:07 UTC 2020
\ No newline at end of file
+Tue Jan 26 23:01:30 UTC 2021
\ No newline at end of file
diff --git a/layers/ubuntu1804/clang/metadata_summary.yaml b/layers/ubuntu1804/clang/metadata_summary.yaml
index 948ced2f..20005a50 100644
--- a/layers/ubuntu1804/clang/metadata_summary.yaml
+++ b/layers/ubuntu1804/clang/metadata_summary.yaml
@@ -7,11 +7,11 @@ DEBS_TARBALL:
   - name: libatomic1
     version: 8.4.0-1ubuntu1~18.04
   - name: libc-dev-bin
-    version: 2.27-3ubuntu1.3
+    version: 2.27-3ubuntu1.4
   - name: libc6
-    version: 2.27-3ubuntu1.3
+    version: 2.27-3ubuntu1.4
   - name: libc6-dev
-    version: 2.27-3ubuntu1.3
+    version: 2.27-3ubuntu1.4
   - name: libcilkrts5
     version: 7.5.0-3ubuntu1~18.04
   - name: libgcc-7-dev
@@ -33,4 +33,4 @@ DEBS_TARBALL:
   - name: libubsan0
     version: 7.5.0-3ubuntu1~18.04
   - name: linux-libc-dev
-    version: 4.15.0-124.127
+    version: 4.15.0-135.139
diff --git a/layers/ubuntu1804/clang/revisions.bzl b/layers/ubuntu1804/clang/revisions.bzl
index 13645557..43611221 100644
--- a/layers/ubuntu1804/clang/revisions.bzl
+++ b/layers/ubuntu1804/clang/revisions.bzl
@@ -16,16 +16,16 @@
 # For more details, check the deps_spec.yaml file in the current folder.
 
 CLANG_INSTALLER = struct(
-    revision = "88c9162c9d47ef43a505bc5301dc626f3cd4f437",
-    sha256 = "729134bdde35efa69e2a0043671428effe73ac2d65bb0c26f1ea564520d41f44",
+    revision = "7f6f9f4cf966c78a315d15d6e913c43cfa45c47c",
+    sha256 = "83d17aa9fe2affb2b03ed0f56581119085692a954a9a2cd33acdca851f904fd8",
 )
 
 LIBCXX_INSTALLER = struct(
-    revision = "88c9162c9d47ef43a505bc5301dc626f3cd4f437",
-    sha256 = "eaa056ccc78b891245d69411dd713bd3d57b7020a27039c139d7462a648fda05",
+    revision = "7f6f9f4cf966c78a315d15d6e913c43cfa45c47c",
+    sha256 = "f9145cf8e68dede5e5ec88c9779e5ec5d24b07ae9bdd07017da2ba3fee24c1bf",
 )
 
 DEBS_TARBALL = struct(
-    revision = "1605540711",
-    sha256 = "4424d280086e9d41cff79227cbb4f647370d75832767a0ccab425d8c119d2d5e",
+    revision = "1611700292",
+    sha256 = "522495e08bd677cdcdec283df18807f04a3174ec2687480bec8364914643beea",
 )