diff --git a/.github/workflows/ci-cd.yml b/.github/workflows/ci-cd.yml
index 69a7d26..8e9d50b 100644
--- a/.github/workflows/ci-cd.yml
+++ b/.github/workflows/ci-cd.yml
@@ -26,7 +26,7 @@ jobs:
             python-version: "3.7"
 
     steps:
-      - uses: "actions/checkout@v2"
+      - uses: "actions/checkout@v3"
       - uses: "actions/setup-python@v2"
         with:
           python-version: "${{ matrix.python-version }}"
diff --git a/slides/ai_for_risk_header.tex b/slides/ai_for_risk_header.tex
index a826988..63348bc 100644
--- a/slides/ai_for_risk_header.tex
+++ b/slides/ai_for_risk_header.tex
@@ -1,7 +1,9 @@
 % See https://tex.stackexchange.com/questions/409500/option-clash-hyper-ref-colorlinks-and-transparent
 % for useful tips on clashes and what does and doesn't need to be explicitly loaded here
 \documentclass[aspectratio=169, xcolor=dvipsnames, hyperref={colorlinks}]{beamer}
-\usecolortheme[named=blue]{structure}
+\usepackage[dvipsnames]{xcolor}
+\usecolortheme[named=Blue]{structure}
+
 \setbeamertemplate{itemize items}[circle]
 
 \usepackage{smartdiagram}