diff --git a/libolecf.changes b/libolecf.changes
index 0ab5c14..bf27c11 100644
--- a/libolecf.changes
+++ b/libolecf.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Wed Apr 15 03:27:43 UTC 2020 - Greg Freemyer <Greg.Freemyer@gmail.com>
+
+- quit using libfdatetime and libfvalue from factory
+	* using the factory version causes python-plaso self-test to fail
+
 -------------------------------------------------------------------
 Wed Apr  8 22:06:27 UTC 2020 - Greg Freemyer <Greg.Freemyer@gmail.com>
 
diff --git a/libolecf.spec b/libolecf.spec
index 6ecafb9..cdc12fd 100644
--- a/libolecf.spec
+++ b/libolecf.spec
@@ -38,12 +38,14 @@ BuildRequires:  pkgconfig(libcpath)
 BuildRequires:  pkgconfig(libcsplit)
 BuildRequires:  pkgconfig(libcstring) >= 20150101
 BuildRequires:  pkgconfig(libcthreads) >= 20130723
-BuildRequires:  pkgconfig(libfdatetime) >= 20180910
-BuildRequires:  pkgconfig(libfguid) >= 20140103
+BuildRequires:  pkgconfig(libfguid) >= 20180724
 BuildRequires:  pkgconfig(libfole) >= 20120426
-BuildRequires:  pkgconfig(libfvalue) > 20151226
 BuildRequires:  pkgconfig(libuna)
 
+# using the below from factory causes python-plaso self-tests to fail
+#BuildRequires:  pkgconfig(libfdatetime) > 20180910
+#BuildRequires:  pkgconfig(libfvalue) > 20180817
+
 # released, but not yet packaged.  This is the only user in OBS.
 #BuildRequires:  pkgconfig(libwfps) > 20150104
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build