diff --git a/icu.changes b/icu.changes
index 93f36e8..685d1f7 100644
--- a/icu.changes
+++ b/icu.changes
@@ -6,6 +6,8 @@ Mon Apr  1 08:22:59 UTC 2019 - Jan Engelhardt <jengelh@inai.de>
     additions and corrections, and some new languages. ICU adds a
     data filtering/subsetting mechanism, improved formatting API,
     and a C++ LocaleBuilder.
+- New python3 dependency to build intermediate file
+  test/testdata/rules.mk.
 
 -------------------------------------------------------------------
 Wed Oct 17 09:39:24 UTC 2018 - Ismail Dönmez <idonmez@suse.com>
diff --git a/icu.spec b/icu.spec
index dfe4068..c5a1d78 100644
--- a/icu.spec
+++ b/icu.spec
@@ -47,6 +47,7 @@ Patch7:         icu-avoid-x87-excess-precision.diff
 BuildRequires:  fdupes
 BuildRequires:  gcc-c++
 BuildRequires:  pkg-config
+BuildRequires:  python3-base
 BuildRequires:  unzip
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build