diff --git a/.coveragerc b/.coveragerc
new file mode 100644
index 00000000..321e5ca0
--- /dev/null
+++ b/.coveragerc
@@ -0,0 +1,2 @@
+[run]
+omit = */tests/*
diff --git a/.github/workflows/ci-lint.yml b/.github/workflows/ci-lint.yml
index cbb14a66..8557f1ad 100644
--- a/.github/workflows/ci-lint.yml
+++ b/.github/workflows/ci-lint.yml
@@ -21,7 +21,7 @@ on:
 jobs:
   lint:
     name: Python ${{ matrix.python }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     strategy:
       matrix:
         python:
@@ -30,9 +30,9 @@ jobs:
           - 'x64'
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python }}
-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python }}
           architecture: ${{ matrix.arch }}
diff --git a/.github/workflows/ci-syntax-tests.yml b/.github/workflows/ci-syntax-tests.yml
index 58d3628e..02406dbb 100644
--- a/.github/workflows/ci-syntax-tests.yml
+++ b/.github/workflows/ci-syntax-tests.yml
@@ -30,10 +30,16 @@ jobs:
         include:
           - build: 4107
             default_packages: v4107
+          - build: 4126
+            default_packages: v4126
+          - build: 4152
+            default_packages: v4152
+          - build: 4169
+            default_packages: v4169
           - build: latest
             default_packages: master
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: SublimeText/syntax-test-action@v2
         with:
           build: ${{ matrix.build }}
diff --git a/.github/workflows/ci-unit-tests.yml b/.github/workflows/ci-unit-tests.yml
index e3c7c36f..b28fc2d2 100644
--- a/.github/workflows/ci-unit-tests.yml
+++ b/.github/workflows/ci-unit-tests.yml
@@ -28,11 +28,11 @@ jobs:
       matrix:
         st-version: [4]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: SublimeText/UnitTesting/actions/setup@v1
         with:
           sublime-text-version: ${{ matrix.st-version }}
       - uses: SublimeText/UnitTesting/actions/run-tests@v1
         with:
           coverage: true
-          codecov-upload: true
+      - uses: codecov/codecov-action@v4
diff --git a/.github/workflows/deploy-gh-pages.yml b/.github/workflows/deploy-gh-pages.yml
index 24a3c5cc..d59b0d2f 100644
--- a/.github/workflows/deploy-gh-pages.yml
+++ b/.github/workflows/deploy-gh-pages.yml
@@ -14,11 +14,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Set up Python
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v5
         with:
           python-version: '3.8'
       - name: Install MkDocs
diff --git a/messages/next.md b/messages/next.md
index 3187f290..b6173b75 100644
--- a/messages/next.md
+++ b/messages/next.md
@@ -10,6 +10,8 @@ feedback you can use [GitHub issues][issues].
 
 ## New Features
 
+- syntax highlighting for LaTeX in fenced code blocks
+
 ## Changes
 
 [issues]: https://github.com/SublimeText-Markdown/MarkdownEditing/issues
diff --git a/syntaxes/Markdown.sublime-syntax b/syntaxes/Markdown.sublime-syntax
index eb6e04ad..37831502 100644
--- a/syntaxes/Markdown.sublime-syntax
+++ b/syntaxes/Markdown.sublime-syntax
@@ -1120,6 +1120,7 @@ contexts:
     - include: fenced-jsonc
     - include: fenced-jspx
     - include: fenced-jsx
+    - include: fenced-latex
     - include: fenced-lisp
     - include: fenced-lua
     - include: fenced-makefile
@@ -1616,6 +1617,26 @@ contexts:
         1: punctuation.definition.raw.code-fence.end.markdown
         2: meta.fold.code-fence.end.markdown
 
+  fenced-latex:
+    - match: |-
+         (?x)
+          {{fenced_code_block_start}}
+          (?i:\s*(latex|tex))
+          {{fenced_code_block_trailing_infostring_characters}}
+      captures:
+        0: meta.code-fence.definition.begin.latex.markdown-gfm
+        2: punctuation.definition.raw.code-fence.begin.markdown
+        5: constant.other.language-name.markdown
+        6: comment.line.infostring.markdown
+        7: meta.fold.code-fence.begin.markdown
+      embed: scope:text.tex.latex
+      embed_scope: markup.raw.code-fence.latex.markdown-gfm
+      escape: '{{fenced_code_block_escape}}'
+      escape_captures:
+        0: meta.code-fence.definition.end.latex.markdown-gfm
+        1: punctuation.definition.raw.code-fence.end.markdown
+        2: meta.fold.code-fence.end.markdown
+
   fenced-lisp:
     - match: |-
          (?x)
diff --git a/tests/syntax_test_markdown.md b/tests/syntax_test_markdown.md
index 73e76a17..671de583 100644
--- a/tests/syntax_test_markdown.md
+++ b/tests/syntax_test_markdown.md
@@ -1911,6 +1911,18 @@ for (var i = 0; i < 10; i++) {
 |^^ meta.code-fence.definition.end.jsx.markdown-gfm punctuation.definition.raw.code-fence.end.markdown
 |  ^ meta.code-fence.definition.end.jsx.markdown-gfm meta.fold.code-fence.end - punctuation
 
+```latex
+| <- meta.code-fence.definition.begin.latex.markdown-gfm punctuation.definition.raw.code-fence.begin.markdown
+|^^ meta.code-fence.definition.begin.latex.markdown-gfm punctuation.definition.raw.code-fence.begin.markdown
+|  ^^^^^ meta.code-fence.definition.begin.latex.markdown-gfm constant.other.language-name.markdown
+|       ^ meta.code-fence.definition.begin.latex.markdown-gfm meta.fold.code-fence.begin.markdown - punctuation
+
+| <- markup.raw.code-fence.latex.markdown-gfm text.tex.latex
+```
+| <- meta.code-fence.definition.end.latex.markdown-gfm punctuation.definition.raw.code-fence.end.markdown
+|^^ meta.code-fence.definition.end.latex.markdown-gfm punctuation.definition.raw.code-fence.end.markdown
+|  ^ meta.code-fence.definition.end.latex.markdown-gfm meta.fold.code-fence.end.markdown - punctuation
+
 ```lisp
 |^^^^^^ meta.code-fence.definition.begin - meta.fold
 |      ^ meta.code-fence.definition.begin meta.fold.code-fence.begin