diff --git a/package.json b/package.json
index 314c34f..ed474c0 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "@astrojs/sitemap": "^3.7.3",
     "@fontsource-variable/jetbrains-mono": "^5.2.8",
     "@fontsource-variable/public-sans": "^5.2.7",
-    "@fontsource-variable/source-serif-4": "^5.2.9",
+    "@fontsource-variable/source-serif-4": "^5.3.0",
     "astro": "^7.0.2",
     "sharp": "^0.35.2"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index e3cc5e1..916ab22 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -27,8 +27,8 @@ importers:
         specifier: ^5.2.7
         version: 5.2.7
       '@fontsource-variable/source-serif-4':
-        specifier: ^5.2.9
-        version: 5.2.9
+        specifier: ^5.3.0
+        version: 5.3.0
       astro:
         specifier: ^7.0.2
         version: 7.0.2(@astrojs/markdown-remark@7.2.0)(@emnapi/core@1.11.1)(@emnapi/runtime@1.11.1)(@types/node@24.13.2)(yaml@2.9.0)
@@ -442,8 +442,8 @@ packages:
   '@fontsource-variable/public-sans@5.2.7':
     resolution: {integrity: sha512-4mvade2J3slKkvwRkS+p8T3szet/0vhWoSnuUJTVU81Uo2pRpSZY/Y8bSLRqpSwzIPxjVmRJ53oq6JKP/l/PSg==}
 
-  '@fontsource-variable/source-serif-4@5.2.9':
-    resolution: {integrity: sha512-PPcxjLFk/fS0WHg79pDM2YNvz61kC+oYZ5cWZZyCS0DHpJncmuYOuiZAsvj4tDxlWPBEvxxcRLQQNmSaRbPkqw==}
+  '@fontsource-variable/source-serif-4@5.3.0':
+    resolution: {integrity: sha512-9vch9WqxjaaA+1o9Ur8pOgIGbCYLjRReOUel23A6lOpD1syptgjtkORevvNmldJ5kGXQL29onQUqI5Ltz0s3bQ==}
 
   '@img/colour@1.1.0':
     resolution: {integrity: sha512-Td76q7j57o/tLVdgS746cYARfSyxk8iEfRxewL9h4OMzYhbW4TAcppl0mT4eyqXddh6L/jwoM75mo7ixa/pCeQ==}
@@ -2723,7 +2723,7 @@ snapshots:
 
   '@fontsource-variable/public-sans@5.2.7': {}
 
-  '@fontsource-variable/source-serif-4@5.2.9': {}
+  '@fontsource-variable/source-serif-4@5.3.0': {}
 
   '@img/colour@1.1.0': {}