diff --git a/ActivityDefinition/DGTS-ActivityDefinition-Example.json b/ActivityDefinition/DGTS-ActivityDefinition-Example.json
index 6ad4e66..23dd787 100644
--- a/ActivityDefinition/DGTS-ActivityDefinition-Example.json
+++ b/ActivityDefinition/DGTS-ActivityDefinition-Example.json
@@ -1,7 +1,7 @@
 {
  "resourceType": "ActivityDefinition",
  "id": "DGTS-ActivityDefinition-Example",
- "url": "http://fhir.nhs.uk/ActivityDefinition/GT1",
+ "url": "https://fhir.nhs.uk/ActivityDefinition/GT1",
  "identifier": [
   {
    "system": "https://fhir.nhs.uk/Id/England-DigitalGenomicTestServices",
@@ -42,7 +42,7 @@
   ]
  },
  "library": [
-  "http://fhir.nhs.uk/Library/GT1"
+  "https://fhir.nhs.uk/Library/GT1"
  ],
  "specimenRequirement": [
   {
@@ -57,4 +57,4 @@
    "display": "GMS Rare Disease"
   }
  ]
-}
\ No newline at end of file
+}
diff --git a/Library/DGTS-Library-Example.json b/Library/DGTS-Library-Example.json
index 4a92502..b93997a 100644
--- a/Library/DGTS-Library-Example.json
+++ b/Library/DGTS-Library-Example.json
@@ -1,7 +1,7 @@
 {
   "resourceType": "Library",
   "id": "DGTS-Library-Example",
-  "url": "http://fhir.nhs.uk/Library/GT1",
+  "url": "https://fhir.nhs.uk/Library/GT1",
   "type": {
     "coding": [
       {
@@ -37,4 +37,4 @@
       "type": "Coding"
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/PlanDefinition/DGTS-PlanDefinition-Example.json b/PlanDefinition/DGTS-PlanDefinition-Example.json
index 2e15f97..7fe70e8 100644
--- a/PlanDefinition/DGTS-PlanDefinition-Example.json
+++ b/PlanDefinition/DGTS-PlanDefinition-Example.json
@@ -1,7 +1,7 @@
 {
  "resourceType": "PlanDefinition",
  "id": "DGTS-PlanDefinition-Example",
- "url": "http://fhir.nhs.uk/PlanDefinition/TP231",
+ "url": "https://fhir.nhs.uk/PlanDefinition/TP231",
  "identifier": [
   {
    "system": "https://fhir.nhs.uk/Id/England-DigitalGenomicTestServices",
@@ -94,28 +94,28 @@
  ],
  "action": [
   {
-   "definitionCanonical": "http://fhir.nhs.uk/ActivityDefinition/GT1"
+   "definitionCanonical": "https://fhir.nhs.uk/ActivityDefinition/GT1"
   },
   {
-   "definitionCanonical": "http://fhir.nhs.uk/ActivityDefinition/GT36"
+   "definitionCanonical": "https://fhir.nhs.uk/ActivityDefinition/GT36"
   },
   {
-   "definitionCanonical": "http://fhir.nhs.uk/ActivityDefinition/GT103"
+   "definitionCanonical": "https://fhir.nhs.uk/ActivityDefinition/GT103"
   },
   {
-   "definitionCanonical": "http://fhir.nhs.uk/ActivityDefinition/GT417"
+   "definitionCanonical": "https://fhir.nhs.uk/ActivityDefinition/GT417"
   },
   {
-   "definitionCanonical": "http://fhir.nhs.uk/ActivityDefinition/GT732"
+   "definitionCanonical": "https://fhir.nhs.uk/ActivityDefinition/GT732"
   },
   {
-   "definitionCanonical": "http://fhir.nhs.uk/ActivityDefinition/GT858"
+   "definitionCanonical": "https://fhir.nhs.uk/ActivityDefinition/GT858"
   },
   {
-   "definitionCanonical": "http://fhir.nhs.uk/ActivityDefinition/GT897"
+   "definitionCanonical": "https://fhir.nhs.uk/ActivityDefinition/GT897"
   },
   {
-   "definitionCanonical": "http://fhir.nhs.uk/ActivityDefinition/GT1124"
+   "definitionCanonical": "https://fhir.nhs.uk/ActivityDefinition/GT1124"
   }
  ]
-}
\ No newline at end of file
+}