diff --git a/packages/viz/CHANGELOG.md b/packages/viz/CHANGELOG.md
index 069f6dc5..581c1fbb 100644
--- a/packages/viz/CHANGELOG.md
+++ b/packages/viz/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## Unreleased
 
+* Update Emscripten SDK to 3.1.51
+
 * Export the Viz type (#224, #225)
 
 ## 3.2.3
diff --git a/packages/viz/src/module/Dockerfile b/packages/viz/src/module/Dockerfile
index 1d83d689..813532c5 100644
--- a/packages/viz/src/module/Dockerfile
+++ b/packages/viz/src/module/Dockerfile
@@ -1,4 +1,4 @@
-FROM emscripten/emsdk:3.1.47 AS graphviz
+FROM emscripten/emsdk:3.1.51 AS graphviz
 
 ENV PREFIX=/prefix
 
@@ -16,7 +16,7 @@ RUN cd graphviz/lib && emmake make install
 RUN cd graphviz/plugin && emmake make install
 
 
-FROM emscripten/emsdk:3.1.47 AS viz
+FROM emscripten/emsdk:3.1.51 AS viz
 
 ARG DEBUG=""