diff --git a/fapolicyd-rpm-backend-c99.patch b/fapolicyd-rpm-backend-c99.patch
new file mode 100644
index 0000000..56a6674
--- /dev/null
+++ b/fapolicyd-rpm-backend-c99.patch
@@ -0,0 +1,19 @@
+Include <rpmpgp.h> for the rpmFreeCrypto function, to avoid an
+implicit function declaration.
+
+Submitted upstream:
+
+  <https://github.com/linux-application-whitelisting/fapolicyd/pull/212>
+
+diff --git a/src/library/rpm-backend.c b/src/library/rpm-backend.c
+index e5c5f3318285fd4b..6122ef1bf6623522 100644
+--- a/src/library/rpm-backend.c
++++ b/src/library/rpm-backend.c
+@@ -30,6 +30,7 @@
+ #include <rpm/rpmmacro.h>
+ #include <rpm/rpmlog.h>
+ #include <rpm/rpmdb.h>
++#include <rpm/rpmpgp.h>
+ #include <fnmatch.h>
+ 
+ #include <uthash.h>
diff --git a/fapolicyd.spec b/fapolicyd.spec
index 6f2aebb..813b072 100644
--- a/fapolicyd.spec
+++ b/fapolicyd.spec
@@ -5,7 +5,7 @@
 Summary: Application Whitelisting Daemon
 Name: fapolicyd
 Version: 1.1.7
-Release: 1%{?dist}
+Release: 2%{?dist}
 License: GPLv3+
 URL: http://people.redhat.com/sgrubb/fapolicyd
 Source0: https://people.redhat.com/sgrubb/fapolicyd/%{name}-%{version}.tar.gz
@@ -31,6 +31,7 @@ Requires(preun): systemd-units
 Requires(postun): systemd-units
 
 Patch1: fapolicyd-uthash-bundle.patch
+Patch2: fapolicyd-rpm-backend-c99.patch
 
 %description
 Fapolicyd (File Access Policy Daemon) implements application whitelisting
@@ -64,6 +65,8 @@ The %{name}-selinux package contains selinux policy for the %{name} daemon.
 %patch1 -p1 -b .uthash
 %endif
 
+%patch2 -p1 -b .c99
+
 # generate rules for python
 sed -i "s/%python2_path%/`readlink -f %{__python2} | sed 's/\//\\\\\//g'`/g" rules.d/*.rules
 sed -i "s/%python3_path%/`readlink -f %{__python3} | sed 's/\//\\\\\//g'`/g" rules.d/*.rules
@@ -204,6 +207,9 @@ fi
 %selinux_relabel_post -s %{selinuxtype}
 
 %changelog
+* Mon Nov 28 2022 Florian Weimer <fweimer@redhat.com> - 1.1.7-2
+- Avoid implicit declaration of rpmFreeCrypto
+
 * Mon Nov 28 2022 Radovan Sroka <rsroka@redhat.com> - 1.1.7.1
 - rebase fapolicyd to v1.1.7 and fapolicyd-selinux to v0.5