diff --git a/ccache.spec b/ccache.spec
index 0879a44..324c910 100644
--- a/ccache.spec
+++ b/ccache.spec
@@ -12,7 +12,7 @@
 %global relccache %(%abs2rel %{_bindir}/ccache %{_libdir}/ccache)
 
 Name:           ccache
-Version:        3.7.12
+Version:        4.0
 Release:        1%{?dist}
 Summary:        C/C++ compiler cache
 
@@ -22,10 +22,12 @@ Source0:        https://github.com/ccache/ccache/releases/download/v%{version}/%
 Source1:        %{name}.sh.in
 Source2:        %{name}.csh.in
 
+BuildRequires:  asciidoc
+BuildRequires:  cmake
+BuildRequires:  libzstd-devel
 BuildRequires:  perl perl(File::Spec)
-BuildRequires:  zlib-devel >= 1.2.3
 # clang for additional tests
-BuildRequires:  clang
+BuildRequires:  clang clang-tools-extra
 # coreutils for triggerin, triggerpostun
 Requires:       coreutils
 # For groupadd
@@ -44,19 +46,20 @@ sed -e 's|@LIBDIR@|%{_libdir}|g' -e 's|@CACHEDIR@|%{_var}/cache/ccache|g' \
     %{SOURCE1} > %{name}.sh
 sed -e 's|@LIBDIR@|%{_libdir}|g' -e 's|@CACHEDIR@|%{_var}/cache/ccache|g' \
     %{SOURCE2} > %{name}.csh
-# Make sure system zlib is used
-rm -r src/zlib
 
 
 %build
-%configure
-make %{?_smp_mflags}
+%cmake
+%cmake_build
+%cmake_build --target doc
 
 
 %install
 rm -rf $RPM_BUILD_ROOT
 
-%make_install
+%cmake_install
+
+install -Dpm 644 %{__cmake_builddir}/doc/Ccache.1 $RPM_BUILD_ROOT%{_mandir}/man1/ccache.1
 
 install -dm 755 $RPM_BUILD_ROOT%{_sysconfdir}/profile.d
 install -pm 644 %{name}.sh %{name}.csh $RPM_BUILD_ROOT%{_sysconfdir}/profile.d
@@ -91,9 +94,7 @@ find $RPM_BUILD_ROOT%{_libdir}/ccache -type l | \
 
 
 %check
-make check
-# Fails with clang 3.4.2 in EL7
-make check CC=clang %{?el7:|| :}
+%ctest
 
 
 %define ccache_trigger(p:) \
@@ -215,6 +216,9 @@ getent group ccache >/dev/null || groupadd -r ccache || :
 
 
 %changelog
+* Tue Oct 27 2020 Łukasz Patron <priv.luk@gmail.com> - 4.0-1
+- Update to 4.0
+
 * Thu Oct  1 2020 Orion Poplawski <orion@nwra.com> - 3.7.12-1
 - Update to 3.7.12
 
diff --git a/sources b/sources
index 891ad0f..9bc48ad 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (ccache-3.7.12.tar.gz) = 1de2dcb6568486d82b589e35f46e7f24306821545617cb9e991c1122b257d2872c1f342fd941f98777ebfd5b0b0babc45a33d824925759478f1f67370db3dd3c
+SHA512 (ccache-4.0.tar.gz) = b87d8f2bc349f764ae77e4994409e38bbe1cbe3ecfd66e7af445c5aed28dde701cec2bc31b41cacaa20336c9299b0bb4c4a94f806e8473ceb115f591a03bbab3