diff --git a/tpm2.0-abrmd.changes b/tpm2.0-abrmd.changes
index 7ea5ef0..bbd8622 100644
--- a/tpm2.0-abrmd.changes
+++ b/tpm2.0-abrmd.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Wed Jun  9 09:37:38 UTC 2021 - Alberto Planas Dominguez <aplanas@suse.com>
+
+- Requires libtss2-tcti-{device0,tabrmd0} (bsc#1187077).
+  In MicroOS systems the recommendations are not installed, making the
+  service fail to initialize: Failed to instantiate TCTI
+
 -------------------------------------------------------------------
 Thu Oct 22 12:15:24 UTC 2020 - Matthias Gerstner <matthias.gerstner@suse.com>
 
diff --git a/tpm2.0-abrmd.spec b/tpm2.0-abrmd.spec
index 4011da6..7f2be16 100644
--- a/tpm2.0-abrmd.spec
+++ b/tpm2.0-abrmd.spec
@@ -35,8 +35,8 @@ BuildRequires:  pkgconfig(dbus-1)
 BuildRequires:  pkgconfig(gio-unix-2.0)
 BuildRequires:  pkgconfig(tss2-sys)
 Requires(pre):  shadow
-Recommends:     libtss2-tcti-device0
-Recommends:     libtss2-tcti-tabrmd0
+Requires:       libtss2-tcti-device0
+Requires:       libtss2-tcti-tabrmd0
 Requires:       tpm2-0-tss
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 # the auto activation is not whitelisted for <= SLE12-SP3