diff --git a/tectonic.spec b/tectonic.spec
index e0922cf..e3f62be 100644
--- a/tectonic.spec
+++ b/tectonic.spec
@@ -32,7 +32,8 @@ BuildRequires:  pkg-config
 BuildRequires:  pkgconfig(fontconfig)
 BuildRequires:  pkgconfig(freetype2)
 BuildRequires:  pkgconfig(harfbuzz)
-BuildRequires:  pkgconfig(icu-uc)
+# https://github.com/tectonic-typesetting/tectonic/issues/1190
+BuildRequires:  pkgconfig(icu-uc) < 75
 BuildRequires:  pkgconfig(libpng)
 BuildRequires:  pkgconfig(openssl)
 BuildRequires:  pkgconfig(zlib)