diff --git a/Cargo.lock b/Cargo.lock
index 3d4091d9f6..9fe0464b70 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1411,9 +1411,9 @@ dependencies = [
 
 [[package]]
 name = "pulldown-cmark"
-version = "0.10.3"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "76979bea66e7875e7509c4ec5300112b316af87fa7a252ca91c448b32dfe3993"
+checksum = "4d31cbfcd94884c3a67ec210c83efb06cb43674043458b0ad59f6947f8462c23"
 dependencies = [
  "bitflags 2.5.0",
  "memchr",
@@ -1423,9 +1423,9 @@ dependencies = [
 
 [[package]]
 name = "pulldown-cmark-escape"
-version = "0.10.1"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd348ff538bc9caeda7ee8cad2d1d48236a1f443c1fa3913c6a02fe0043b1dd3"
+checksum = "007d8adb5ddab6f8e3f491ac63566a7d5002cc7ed73901f72057943fa71ae1ae"
 
 [[package]]
 name = "quote"
diff --git a/Cargo.toml b/Cargo.toml
index 8b805d3882..5ff81db81b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,7 +27,7 @@ handlebars = "5.0"
 log = "0.4.17"
 memchr = "2.5.0"
 opener = "0.7.0"
-pulldown-cmark = { version = "0.10.0", default-features = false, features = ["html"] } # Do not update, part of the public api.
+pulldown-cmark = { version = "0.12.0", default-features = false, features = ["html"] } # Do not update, part of the public api.
 regex = "1.8.1"
 serde = { version = "1.0.163", features = ["derive"] }
 serde_json = "1.0.96"
diff --git a/src/renderer/html_handlebars/search.rs b/src/renderer/html_handlebars/search.rs
index 1144c9f588..0e51e0d07b 100644
--- a/src/renderer/html_handlebars/search.rs
+++ b/src/renderer/html_handlebars/search.rs
@@ -168,7 +168,7 @@ fn render_item(
                 // in an HtmlBlock tag. We must collect consecutive Html events
                 // into a block ourselves.
                 while let Some(Event::Html(html)) = p.peek() {
-                    html_block.push_str(html);
+                    html_block.push_str(&html);
                     p.next();
                 }
                 body.push_str(&clean_html(&html_block));
@@ -184,6 +184,13 @@ fn render_item(
                 // blocks, and worse case you have some noise in the index.
                 body.push_str(&clean_html(&html));
             }
+            Event::InlineMath(text) | Event::DisplayMath(text) => {
+                if in_heading {
+                    heading.push_str(&text);
+                } else {
+                    body.push_str(&text);
+                }
+            }
             Event::Start(_) | Event::End(_) | Event::Rule | Event::SoftBreak | Event::HardBreak => {
                 // Insert spaces where HTML output would usually separate text
                 // to ensure words don't get merged together