5 files changed, 5 insertions, 5 deletions
diff --git a/test/command/biblatex-baez-article.md b/test/command/biblatex-baez-article.md
index 07d293c24..ed3f830c5 100644
--- a/test/command/biblatex-baez-article.md
+++ b/test/command/biblatex-baez-article.md
@@ -67,7 +67,7 @@ references:
   title: "Higher-dimensional algebra V: 2-groups"
   title-short: Higher-dimensional algebra V
   type: article-journal
-  url: "http://arxiv.org/abs/math/0307200v3"
+  url: "https://arxiv.org/abs/math/0307200v3"
   version: 3
   volume: 12
 ---
diff --git a/test/command/biblatex-baez-online.md b/test/command/biblatex-baez-online.md
index 6834ed22b..9b73b70f8 100644
--- a/test/command/biblatex-baez-online.md
+++ b/test/command/biblatex-baez-online.md
@@ -61,7 +61,7 @@ references:
   title: "Higher-dimensional algebra V: 2-groups"
   title-short: Higher-dimensional algebra V
   type: webpage
-  url: "http://arxiv.org/abs/math/0307200v3"
+  url: "https://arxiv.org/abs/math/0307200v3"
   version: 3
 ---
 
diff --git a/test/command/biblatex-itzhaki.md b/test/command/biblatex-itzhaki.md
index 24229fb2c..568e26215 100644
--- a/test/command/biblatex-itzhaki.md
+++ b/test/command/biblatex-itzhaki.md
@@ -74,7 +74,7 @@ references:
   language: en-US
   title: Some remarks on '[t Hooft's]{.nocase} S-matrix for black holes
   type: webpage
-  url: "http://arxiv.org/abs/hep-th/9603067"
+  url: "https://arxiv.org/abs/hep-th/9603067"
   version: 1
 ---
 
diff --git a/test/command/biblatex-wassenberg.md b/test/command/biblatex-wassenberg.md
index 9424abba3..0ae9e10c7 100644
--- a/test/command/biblatex-wassenberg.md
+++ b/test/command/biblatex-wassenberg.md
@@ -75,7 +75,7 @@ references:
   language: en-US
   title: Faster radix sort via virtual memory and write-combining
   type: webpage
-  url: "http://arxiv.org/abs/1008.2849v1"
+  url: "https://arxiv.org/abs/1008.2849v1"
   version: 1
 ---
 
diff --git a/test/command/biblatex-wilde.md b/test/command/biblatex-wilde.md
index 1db2d4579..d471041f3 100644
--- a/test/command/biblatex-wilde.md
+++ b/test/command/biblatex-wilde.md
@@ -58,7 +58,7 @@ references:
     people"
   title-short: The importance of being earnest
   type: book
-  url: "http://books.google.com?id=4HIWAAAAYAAJ"
+  url: "https://books.google.com?id=4HIWAAAAYAAJ"
 ---