diff --git a/docs/examples/webpack/.browserslistrc b/docs/examples/webpack/.browserslistrc
index 60f5f33dc6..2d192cee76 100644
--- a/docs/examples/webpack/.browserslistrc
+++ b/docs/examples/webpack/.browserslistrc
@@ -4,6 +4,6 @@ last 6 Firefox versions
 last 6 Edge versions
 last 2 Samsung versions
 Firefox ESR
-Safari >= 12
-iOS >= 12.1
+Safari >= 12 and not Safari < 10.1
+iOS >= 12.1 and not iOS < 10.3
 ie 11
diff --git a/packages/govuk-frontend-review/.browserslistrc b/packages/govuk-frontend-review/.browserslistrc
index 60f5f33dc6..2d192cee76 100644
--- a/packages/govuk-frontend-review/.browserslistrc
+++ b/packages/govuk-frontend-review/.browserslistrc
@@ -4,6 +4,6 @@ last 6 Firefox versions
 last 6 Edge versions
 last 2 Samsung versions
 Firefox ESR
-Safari >= 12
-iOS >= 12.1
+Safari >= 12 and not Safari < 10.1
+iOS >= 12.1 and not iOS < 10.3
 ie 11
diff --git a/packages/govuk-frontend/.browserslistrc b/packages/govuk-frontend/.browserslistrc
index d7f4eaf86d..93a122c92a 100644
--- a/packages/govuk-frontend/.browserslistrc
+++ b/packages/govuk-frontend/.browserslistrc
@@ -7,8 +7,8 @@ last 6 Firefox versions
 last 6 Edge versions
 last 2 Samsung versions
 Firefox ESR
-Safari >= 12
-iOS >= 12.1
+Safari >= 12 and not Safari < 10.1
+iOS >= 12.1 and not iOS < 10.3
 ie 11
 
 [node]