diff --git a/pkg/flatbuffers/Makefile b/pkg/flatbuffers/Makefile
index a1f897897f..5c8a9f09c7 100644
--- a/pkg/flatbuffers/Makefile
+++ b/pkg/flatbuffers/Makefile
@@ -1,6 +1,6 @@
 PKG_NAME=flatbuffers
 PKG_URL=https://github.com/google/flatbuffers
-PKG_VERSION=v1.11.0
+PKG_VERSION=a9a295fecf3fbd5a4f571f53b01f63202a3e2113  # v2.0.0
 PKG_LICENSE=Apache2.0
 
 include $(RIOTBASE)/pkg/pkg.mk
diff --git a/pkg/flatbuffers/patches/0001-Silence-Wcast-align-in-public-headers.patch b/pkg/flatbuffers/patches/0001-Silence-Wcast-align-in-public-headers.patch
index a46ce29cd7..e9a92e3cff 100644
Binary files a/pkg/flatbuffers/patches/0001-Silence-Wcast-align-in-public-headers.patch and b/pkg/flatbuffers/patches/0001-Silence-Wcast-align-in-public-headers.patch differ