diff --git a/libarcus.spec b/libarcus.spec
index f793903..a41d48a 100644
--- a/libarcus.spec
+++ b/libarcus.spec
@@ -1,6 +1,6 @@
 Name:           libarcus
-Version:        4.11.0
-Release:        3%{?dist}
+Version:        4.12.1
+Release:        1%{?dist}
 Summary:        Communication library between internal components for Ultimaker software
 License:        LGPLv3+
 URL:            https://github.com/Ultimaker/libArcus
@@ -90,6 +90,9 @@ sed -i 's/Python3_SITELIB/Python3_SITEARCH/' cmake/SIPMacros.cmake
 %{python3_sitearch}/Arcus.so
 
 %changelog
+* Mon Dec 13 2021 Gabriel Féron <feron.gabriel@gmail.com> - 4.12.1-1
+- Update to 4.12.1
+
 * Sat Nov 06 2021 Adrian Reber <adrian@lisas.de> - 4.11.0-3
 - Rebuilt for protobuf 3.19.0
 
diff --git a/sources b/sources
index aa18939..3c590a5 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libarcus-4.11.0.tar.gz) = 3a23b63787121b510f35c77f8d184a1773a8e53e7e15a238a7454022c30674a687d9b74414516c24f3330e8689243fad93e82eb50f3d8a64b748020bd2c7b135
+SHA512 (libarcus-4.12.1.tar.gz) = 0b2f2a0b4c3492725b83f2c8b0bb38a2cba10c27317cedd722b27447f0e36c571f1ae7a796de29cfb30e9827f35449327cc20c21780212fdeb35d05c90c3e2e6