diff --git a/assets/js/lib/markdown.js b/assets/js/lib/markdown.js
index f6ef10f2c..cd4fb66e4 100644
--- a/assets/js/lib/markdown.js
+++ b/assets/js/lib/markdown.js
@@ -50,8 +50,6 @@ class Markdown {
       // can use morphdom's childrenOnly option
       const wrappedHtml = `<div>${html}</div>`;
       morphdom(this.container, wrappedHtml, { childrenOnly: true });
-
-      this._fixMermaidSpacing();
     });
   }
 
@@ -90,13 +88,6 @@ class Markdown {
         })
     );
   }
-
-  _fixMermaidSpacing() {
-    // A workaround for https://github.com/mermaid-js/mermaid/issues/1758
-    for (const svg of this.container.querySelectorAll(".mermaid svg")) {
-      svg.removeAttribute("height");
-    }
-  }
 }
 
 export default Markdown;
diff --git a/assets/package-lock.json b/assets/package-lock.json
index 0012d83df..2ddc10a06 100644
--- a/assets/package-lock.json
+++ b/assets/package-lock.json
@@ -63,7 +63,7 @@
       "version": "3.3.0"
     },
     "../deps/phoenix_live_view": {
-      "version": "0.18.15",
+      "version": "0.18.18",
       "license": "MIT"
     },
     "node_modules/@ampproject/remapping": {