diff --git a/unix/linux/Dockerfile b/unix/linux/Dockerfile
index 0a501f83..6ff5ce9c 100644
--- a/unix/linux/Dockerfile
+++ b/unix/linux/Dockerfile
@@ -17,8 +17,8 @@ WORKDIR /git
 RUN git config --global advice.detachedHead false
 # Linux Kernel: Released 02 Aug 2020
 RUN git clone --branch v5.8 --depth 1 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux
-# GNU C library: Released 01 Feb 2020 (we should try to get a secure way to clone this)
-RUN git clone --branch release/2.31/master --depth 1 git://sourceware.org/git/glibc.git
+# GNU C library: Released 06 Aug 2020 (we should try to get a secure way to clone this)
+RUN git clone --branch release/2.32/master --depth 1 git://sourceware.org/git/glibc.git
 
 # Get Go
 ENV GOLANG_VERSION 1.15rc1
diff --git a/unix/zerrors_linux.go b/unix/zerrors_linux.go
index d9138207..e5c4b5d2 100644
--- a/unix/zerrors_linux.go
+++ b/unix/zerrors_linux.go
@@ -839,6 +839,7 @@ const (
 	IPPROTO_EGP                                 = 0x8
 	IPPROTO_ENCAP                               = 0x62
 	IPPROTO_ESP                                 = 0x32
+	IPPROTO_ETHERNET                            = 0x8f
 	IPPROTO_FRAGMENT                            = 0x2c
 	IPPROTO_GRE                                 = 0x2f
 	IPPROTO_HOPOPTS                             = 0x0
@@ -852,6 +853,7 @@ const (
 	IPPROTO_L2TP                                = 0x73
 	IPPROTO_MH                                  = 0x87
 	IPPROTO_MPLS                                = 0x89
+	IPPROTO_MPTCP                               = 0x106
 	IPPROTO_MTP                                 = 0x5c
 	IPPROTO_NONE                                = 0x3b
 	IPPROTO_PIM                                 = 0x67
diff --git a/unix/zerrors_linux_arm64.go b/unix/zerrors_linux_arm64.go
index 8b0e024b..84f71e99 100644
--- a/unix/zerrors_linux_arm64.go
+++ b/unix/zerrors_linux_arm64.go
@@ -192,6 +192,7 @@ const (
 	PPPIOCSRASYNCMAP                 = 0x40047454
 	PPPIOCSXASYNCMAP                 = 0x4020744f
 	PPPIOCXFERUNIT                   = 0x744e
+	PROT_BTI                         = 0x10
 	PR_SET_PTRACER_ANY               = 0xffffffffffffffff
 	PTRACE_SYSEMU                    = 0x1f
 	PTRACE_SYSEMU_SINGLESTEP         = 0x20