diff --git a/docker/dockerfile.postgres b/docker/dockerfile.postgres
index d19c4c7..f02905b 100644
--- a/docker/dockerfile.postgres
+++ b/docker/dockerfile.postgres
@@ -25,7 +25,7 @@ ENV PATH="/root/.cargo/bin:${PATH}"
 RUN cargo install --locked cargo-pgrx@0.11.3 && cargo pgrx init --pg16 /usr/lib/postgresql/16/bin/pg_config
 
 WORKDIR /source
-ARG MUMAK_COMMIT=ffc54b168695b2704310f7f5bcca9fca1dc04f38 
+ARG MUMAK_COMMIT=1a91cb9cbb93e9556c756e1a77e06b610130159f
 RUN git clone https://github.com/txpipe/mumak.git
 RUN cd mumak && git checkout $MUMAK_COMMIT