diff --git a/Cargo.lock b/Cargo.lock
index 316662e393..7b1754966d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6137,7 +6137,7 @@ dependencies = [
  "lsp",
  "parking_lot",
  "postage",
- "pulldown-cmark",
+ "pulldown-cmark 0.12.1",
  "rand 0.8.5",
  "regex",
  "rpc",
@@ -6657,7 +6657,7 @@ dependencies = [
  "linkify",
  "log",
  "node_runtime",
- "pulldown-cmark",
+ "pulldown-cmark 0.12.1",
  "settings",
  "theme",
  "ui",
@@ -6677,7 +6677,7 @@ dependencies = [
  "linkify",
  "log",
  "pretty_assertions",
- "pulldown-cmark",
+ "pulldown-cmark 0.12.1",
  "theme",
  "ui",
  "workspace",
@@ -6772,7 +6772,7 @@ dependencies = [
  "once_cell",
  "opener",
  "pathdiff",
- "pulldown-cmark",
+ "pulldown-cmark 0.10.3",
  "regex",
  "serde",
  "serde_json",
@@ -8607,6 +8607,17 @@ dependencies = [
  "unicase",
 ]
 
+[[package]]
+name = "pulldown-cmark"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "666f0f59e259aea2d72e6012290c09877a780935cc3c18b1ceded41f3890d59c"
+dependencies = [
+ "bitflags 2.6.0",
+ "memchr",
+ "unicase",
+]
+
 [[package]]
 name = "pulldown-cmark-escape"
 version = "0.10.1"
@@ -9185,7 +9196,7 @@ dependencies = [
  "gpui",
  "language",
  "linkify",
- "pulldown-cmark",
+ "pulldown-cmark 0.12.1",
  "theme",
  "ui",
  "util",
diff --git a/Cargo.toml b/Cargo.toml
index 33f8343007..be5cb3f437 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -380,7 +380,7 @@ pretty_assertions = "1.3.0"
 prost = "0.9"
 prost-build = "0.9"
 prost-types = "0.9"
-pulldown-cmark = { version = "0.10.0", default-features = false }
+pulldown-cmark = { version = "0.12.0", default-features = false }
 rand = "0.8.5"
 regex = "1.5"
 repair_json = "0.1.0"
diff --git a/crates/markdown/src/markdown.rs b/crates/markdown/src/markdown.rs
index 84fbd776d9..4afceed8f1 100644
--- a/crates/markdown/src/markdown.rs
+++ b/crates/markdown/src/markdown.rs
@@ -663,7 +663,7 @@ impl Element for MarkdownElement {
                         builder.pop_div();
                         builder.pop_text_style()
                     }
-                    MarkdownTagEnd::BlockQuote => {
+                    MarkdownTagEnd::BlockQuote(_kind) => {
                         builder.pop_text_style();
                         builder.pop_div()
                     }
diff --git a/crates/markdown/src/parser.rs b/crates/markdown/src/parser.rs
index 31306edc28..09812aa67a 100644
--- a/crates/markdown/src/parser.rs
+++ b/crates/markdown/src/parser.rs
@@ -83,6 +83,7 @@ pub fn parse_markdown(text: &str) -> Vec<(Range<usize>, MarkdownEvent)> {
             pulldown_cmark::Event::TaskListMarker(checked) => {
                 events.push((range, MarkdownEvent::TaskListMarker(checked)))
             }
+            pulldown_cmark::Event::InlineMath(_) | pulldown_cmark::Event::DisplayMath(_) => {}
         }
     }
     events
@@ -271,7 +272,7 @@ impl From<pulldown_cmark::Tag<'_>> for MarkdownTag {
                     attrs,
                 }
             }
-            pulldown_cmark::Tag::BlockQuote => MarkdownTag::BlockQuote,
+            pulldown_cmark::Tag::BlockQuote(_kind) => MarkdownTag::BlockQuote,
             pulldown_cmark::Tag::CodeBlock(kind) => match kind {
                 pulldown_cmark::CodeBlockKind::Indented => {
                     MarkdownTag::CodeBlock(CodeBlockKind::Indented)
@@ -316,6 +317,11 @@ impl From<pulldown_cmark::Tag<'_>> for MarkdownTag {
             },
             pulldown_cmark::Tag::HtmlBlock => MarkdownTag::HtmlBlock,
             pulldown_cmark::Tag::MetadataBlock(kind) => MarkdownTag::MetadataBlock(kind),
+            pulldown_cmark::Tag::DefinitionList
+            | pulldown_cmark::Tag::DefinitionListTitle
+            | pulldown_cmark::Tag::DefinitionListDefinition => {
+                unimplemented!("definition lists are not yet supported")
+            }
         }
     }
 }
diff --git a/crates/markdown_preview/src/markdown_parser.rs b/crates/markdown_preview/src/markdown_parser.rs
index fcbf7c1e96..e24ac552c1 100644
--- a/crates/markdown_preview/src/markdown_parser.rs
+++ b/crates/markdown_preview/src/markdown_parser.rs
@@ -139,7 +139,7 @@ impl<'a> MarkdownParser<'a> {
                     let list = self.parse_list(order).await;
                     Some(list)
                 }
-                Tag::BlockQuote => {
+                Tag::BlockQuote(_kind) => {
                     self.cursor += 1;
                     let block_quote = self.parse_block_quote().await;
                     Some(vec![ParsedMarkdownElement::BlockQuote(block_quote)])
@@ -654,10 +654,10 @@ impl<'a> MarkdownParser<'a> {
                 // Record that we're in a nested block quote and continue parsing.
                 // We don't need to advance the cursor since the next
                 // call to `parse_block` will handle it.
-                Event::Start(Tag::BlockQuote) => {
+                Event::Start(Tag::BlockQuote(_kind)) => {
                     nested_depth += 1;
                 }
-                Event::End(TagEnd::BlockQuote) => {
+                Event::End(TagEnd::BlockQuote(_kind)) => {
                     nested_depth -= 1;
                     if nested_depth == 0 {
                         self.cursor += 1;