diff --git a/Dockerfile b/Dockerfile
index 5da1b7a..c7e65d1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -72,9 +72,9 @@ RUN apt-get install -y libtbb12;
 RUN apt-get install -y python3;
 RUN apt-get install -y python3-numpy;
 
-RUN wget https://github.com/nelson-lang/nelson/releases/download/v${NELSON_VERSION}/nelson-Ubuntu-24.04-v${NELSON_VERSION}.${NELSON_VERSION_TAG}.deb && \
-    apt install -y ./nelson-Ubuntu-24.04-v${NELSON_VERSION}.${NELSON_VERSION_TAG}.deb && \
-    rm nelson-Ubuntu-24.04-v${NELSON_VERSION}.${NELSON_VERSION_TAG}.deb
+RUN wget https://github.com/nelson-lang/nelson/releases/download/v${NELSON_VERSION}/nelson-Ubuntu-24.04-x86_64-v${NELSON_VERSION}.${NELSON_VERSION_TAG}.deb && \
+    apt install -y ./nelson-Ubuntu-24.04-x86_64-v${NELSON_VERSION}.${NELSON_VERSION_TAG}.deb && \
+    rm nelson-Ubuntu-24.04-x86_64-v${NELSON_VERSION}.${NELSON_VERSION_TAG}.deb
 
 RUN rm -rf /var/lib/apt/lists/*
 WORKDIR "/nelson"
diff --git a/README.md b/README.md
index ea74d65..103ad2b 100644
--- a/README.md
+++ b/README.md
@@ -34,8 +34,8 @@ docker rmi $(docker images -q) -f
 docker system prune -a
 
 
-export NELSON_VERSION=1.11.0
-export NELSON_VERSION_TAG=4516
+export NELSON_VERSION=1.12.0
+export NELSON_VERSION_TAG=4690
 
 docker build --build-arg NELSON_VERSION=$NELSON_VERSION --build-arg NELSON_VERSION_TAG=$NELSON_VERSION_TAG -t nelsonsoftware/nelson:latest -t nelsonsoftware/nelson:v$NELSON_VERSION .