diff --git a/csfieldguide/package-lock.json b/csfieldguide/package-lock.json
index d5615b87d..4dce93219 100644
--- a/csfieldguide/package-lock.json
+++ b/csfieldguide/package-lock.json
@@ -11,7 +11,7 @@
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                 "@babel/preset-env": "^7.24.0",
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+                "autoprefixer": "10.4.19",
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                 "bootstrap": "4.6.2",
                 "browser-sync": "3.0.2",
@@ -2627,9 +2627,9 @@
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+            "version": "10.4.19",
+            "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-10.4.19.tgz",
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@@ -2647,7 +2647,7 @@
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-                "caniuse-lite": "^1.0.30001591",
+                "caniuse-lite": "^1.0.30001599",
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                 "normalize-range": "^0.1.2",
                 "picocolors": "^1.0.0",
@@ -3791,9 +3791,9 @@
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-            "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001593.tgz",
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+            "version": "1.0.30001599",
+            "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001599.tgz",
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@@ -16405,13 +16405,13 @@
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-            "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-10.4.18.tgz",
-            "integrity": "sha512-1DKbDfsr6KUElM6wg+0zRNkB/Q7WcKYAaK+pzXn+Xqmszm/5Xa9coeNdtP88Vi+dPzZnMjhge8GIV49ZQkDa+g==",
+            "version": "10.4.19",
+            "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-10.4.19.tgz",
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             "dev": true,
             "requires": {
                 "browserslist": "^4.23.0",
-                "caniuse-lite": "^1.0.30001591",
+                "caniuse-lite": "^1.0.30001599",
                 "fraction.js": "^4.3.7",
                 "normalize-range": "^0.1.2",
                 "picocolors": "^1.0.0",
@@ -17351,9 +17351,9 @@
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         "caniuse-lite": {
-            "version": "1.0.30001593",
-            "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001593.tgz",
-            "integrity": "sha512-UWM1zlo3cZfkpBysd7AS+z+v007q9G1+fLTUU42rQnY6t2axoogPW/xol6T7juU5EUoOhML4WgBIdG+9yYqAjQ==",
+            "version": "1.0.30001599",
+            "resolved": "https://registry.npmjs.org/caniuse-lite/-/caniuse-lite-1.0.30001599.tgz",
+            "integrity": "sha512-LRAQHZ4yT1+f9LemSMeqdMpMxZcc4RMWdj4tiFe3G8tNkWK+E58g+/tzotb5cU6TbcVJLr4fySiAW7XmxQvZQA==",
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diff --git a/csfieldguide/package.json b/csfieldguide/package.json
index a736834af..1b2857c94 100644
--- a/csfieldguide/package.json
+++ b/csfieldguide/package.json
@@ -7,7 +7,7 @@
         "@babel/core": "^7.24.1",
         "@babel/preset-env": "^7.24.0",
         "ansi-colors": "4.1.3",
-        "autoprefixer": "10.4.18",
+        "autoprefixer": "10.4.19",
         "babelify": "^10.0.0",
         "bootstrap": "4.6.2",
         "browser-sync": "3.0.2",