diff --git a/libguestfs.spec b/libguestfs.spec
index b6dd24a..07453bd 100644
--- a/libguestfs.spec
+++ b/libguestfs.spec
@@ -40,7 +40,7 @@ Summary:       Access and modify virtual machine disk images
 Name:          libguestfs
 Epoch:         1
 Version:       1.40.1
-Release:       3%{?dist}
+Release:       4%{?dist}
 License:       LGPLv2+
 
 # Source and patches.
@@ -1411,6 +1411,9 @@ install -m 0644 utils/boot-benchmark/boot-benchmark.1 $RPM_BUILD_ROOT%{_mandir}/
 
 
 %changelog
+* Tue Jan 22 2019 Mamoru TASAKA <mtasaka@fedoraproject.org> - 1:1.40.1-4
+- F-30: rebuild against ruby26
+
 * Mon Jan 21 2019 David Abdurachmanov <david.abdurachmanov@gmail.com> - 1:1.40.1-3
 - Disable ZFS for RISC-V (riscv64)