diff --git a/docs/aulas/aula-2026-03-17/index.md b/docs/aulas/aula-2026-03-17/index.md
new file mode 100644
index 0000000..6e42f2d
--- /dev/null
+++ b/docs/aulas/aula-2026-03-17/index.md
@@ -0,0 +1,20 @@
+(aula:2026-03-17)=
+
+# Aula de 17/03/2026
+
+Diagramas com {cite:t}`mermaidjs`.
+
+```{mermaid}
+---
+title: Simple sample
+---
+stateDiagram-v2
+    [*] --> Still
+    Still --> [*]
+
+    Still --> Moving
+    Moving --> Still
+    Moving --> Crash
+    Crash --> [*]
+```
+
diff --git a/docs/aulas/index.md b/docs/aulas/index.md
index 419b33f..f26b5a9 100644
--- a/docs/aulas/index.md
+++ b/docs/aulas/index.md
@@ -7,6 +7,7 @@
 maxdepth: 2
 caption: Sumário
 glob: true
+reversed: true
 ---
 
 */*
diff --git a/docs/conf.py b/docs/conf.py
index fd103f1..142ada5 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -17,6 +17,7 @@ release = 'ANO_PERIODO'
 extensions = [
     'myst_parser',
     'sphinxcontrib.bibtex',
+    'sphinxcontrib.mermaid',
 ]
 
 templates_path = ['_templates']
diff --git a/docs/refs.bib b/docs/refs.bib
index 987c0cc..2e810ca 100644
--- a/docs/refs.bib
+++ b/docs/refs.bib
@@ -1,10 +1,3 @@
-@book{1987:nelson,
-    author = {Edward Nelson},
-    title = {Radically Elementary Probability Theory},
-    publisher = {Princeton University Press},
-    year = {1987}
-}
-
 @book{kurose2013redes,
   title={Redes de computadores e a internet: uma abordagem top-down},
   author={Kurose, J.F. and Ross, K.W.},
@@ -13,3 +6,20 @@
   publisher={Pearson}
 }
 
+@book{1987:nelson,
+    author = {Edward Nelson},
+    title = {Radically Elementary Probability Theory},
+    publisher = {Princeton University Press},
+    year = {1987}
+}
+
+@online{mermaidjs,
+  title        = {Mermaid},
+  author       = {{The Mermaid Project Contributors}},
+  year         = {2024},
+  url          = {https://mermaid.ai/},
+  urldate      = {2025-03-17},
+  organization = {Mermaid},
+  note         = {Página oficial da ferramenta de diagramação e gráficos a partir de texto}
+}
+
diff --git a/pyproject.toml b/pyproject.toml
index f4d0d44..4dbcc23 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,4 +10,5 @@ dependencies = [
     "sphinx>=9.1.0",
     "sphinx-autobuild>=2025.8.25",
     "sphinxcontrib-bibtex>=2.6.5",
+    "sphinxcontrib-mermaid>=2.0.1",
 ]
diff --git a/uv.lock b/uv.lock
index 2f19f71..30cc36a 100644
--- a/uv.lock
+++ b/uv.lock
@@ -122,6 +122,7 @@ dependencies = [
     { name = "sphinx" },
     { name = "sphinx-autobuild" },
     { name = "sphinxcontrib-bibtex" },
+    { name = "sphinxcontrib-mermaid" },
 ]
 
 [package.metadata]
@@ -131,6 +132,7 @@ requires-dist = [
     { name = "sphinx", specifier = ">=9.1.0" },
     { name = "sphinx-autobuild", specifier = ">=2025.8.25" },
     { name = "sphinxcontrib-bibtex", specifier = ">=2.6.5" },
+    { name = "sphinxcontrib-mermaid", specifier = ">=2.0.1" },
 ]
 
 [[package]]
@@ -506,6 +508,20 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/c2/42/4c8646762ee83602e3fb3fbe774c2fac12f317deb0b5dbeeedd2d3ba4b77/sphinxcontrib_jsmath-1.0.1-py2.py3-none-any.whl", hash = "sha256:2ec2eaebfb78f3f2078e73666b1415417a116cc848b72e5172e596c871103178", size = 5071, upload-time = "2019-01-21T16:10:14.333Z" },
 ]
 
+[[package]]
+name = "sphinxcontrib-mermaid"
+version = "2.0.1"
+source = { registry = "https://pypi.org/simple" }
+dependencies = [
+    { name = "jinja2" },
+    { name = "pyyaml" },
+    { name = "sphinx" },
+]
+sdist = { url = "https://files.pythonhosted.org/packages/2b/ae/999891de292919b66ea34f2c22fc22c9be90ab3536fbc0fca95716277351/sphinxcontrib_mermaid-2.0.1.tar.gz", hash = "sha256:a21a385a059a6cafd192aa3a586b14bf5c42721e229db67b459dc825d7f0a497", size = 19839, upload-time = "2026-03-05T14:10:41.901Z" }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/03/46/25d64bcd7821c8d6f1080e1c43d5fcdfc442a18f759a230b5ccdc891093e/sphinxcontrib_mermaid-2.0.1-py3-none-any.whl", hash = "sha256:9dca7fbe827bad5e7e2b97c4047682cfd26e3e07398cfdc96c7a8842ae7f06e7", size = 14064, upload-time = "2026-03-05T14:10:40.533Z" },
+]
+
 [[package]]
 name = "sphinxcontrib-qthelp"
 version = "2.0.0"