diff --git a/.gitignore b/.gitignore
index 4fc4c2f..b60bb62 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,3 +22,4 @@
 /jemalloc-4.0.4.tar.bz2
 /jemalloc-4.1.0.tar.bz2
 /jemalloc-4.1.1.tar.bz2
+/jemalloc-4.2.1.tar.bz2
diff --git a/jemalloc-4.2.1.pagesize.ppc.patch b/jemalloc-4.2.1.pagesize.ppc.patch
new file mode 100644
index 0000000..da33689
--- /dev/null
+++ b/jemalloc-4.2.1.pagesize.ppc.patch
@@ -0,0 +1,11 @@
+--- configure.orig	2016-08-03 12:11:08.927542973 +0200
++++ configure	2016-08-03 12:11:31.087833041 +0200
+@@ -7105,7 +7105,7 @@
+     GetSystemInfo(&si);
+     result = si.dwPageSize;
+ #else
+-    result = sysconf(_SC_PAGESIZE);
++    result = 65536
+ #endif
+     if (result == -1) {
+ 	return 1;
diff --git a/jemalloc.spec b/jemalloc.spec
index f4d181c..24402f5 100644
--- a/jemalloc.spec
+++ b/jemalloc.spec
@@ -1,5 +1,5 @@
 Name:           jemalloc
-Version:        4.1.1
+Version:        4.2.1
 
 Release:        1%{?dist}
 Summary:        General-purpose scalable concurrent malloc implementation
@@ -18,7 +18,7 @@ Patch4:         jemalloc-3.6.0.no_explicit_altivec.patch
 
 BuildRequires:  /usr/bin/xsltproc
 BuildRequires:  perl-generators
-%ifnarch s390
+%ifnarch s390 %{mips}
 BuildRequires:  valgrind-devel
 %endif
 
@@ -59,6 +59,7 @@ export LDFLAGS="%{?__global_ldflags} -lrt"
 
 %configure
 make %{?_smp_mflags}
+
 %check
 make check
 
@@ -103,6 +104,12 @@ rm -rf %{buildroot}
 %postun -p /sbin/ldconfig
 
 %changelog
+* Tue Aug 23 2016 Ingvar Hagelund <ingvar@redpill-linpro.com> - 4.2.1-1
+- New upstream release
+
+* Thu Aug 11 2016 Michal Toman <mtoman@fedoraproject.org> - 4.1.1-2
+- No valgrind on MIPS (#1366685)
+
 * Wed May 04 2016 Ingvar Hagelund <ingvar@redpill-linpro.com> - 4.1.1-1
 - New upstream release
 
diff --git a/sources b/sources
index 83c85f5..f8994f3 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-7184512da1e4d3331f9587036a6c4739  jemalloc-4.1.1.tar.bz2
+094b0a7b8c77c464d0dc8f0643fd3901  jemalloc-4.2.1.tar.bz2