diff --git a/lib/doc/Additional.lyx b/lib/doc/Additional.lyx
index 0c305c794c..0138354b69 100644
--- a/lib/doc/Additional.lyx
+++ b/lib/doc/Additional.lyx
@@ -14217,7 +14217,7 @@ algorithm2e
 \begin_inset CommandInset href
 LatexCommand href
 name "algorithm2e documentation"
-target "http://mirrors.ctan.org/macros/latex/contrib/algorithm2e/doc/algorithm2e.pdf"
+target "https://mirrors.ctan.org/macros/latex/contrib/algorithm2e/doc/algorithm2e.pdf"
 literal "false"
 
 \end_inset
diff --git a/lib/doc/de/Additional.lyx b/lib/doc/de/Additional.lyx
index f38678ed22..f992548b6a 100644
--- a/lib/doc/de/Additional.lyx
+++ b/lib/doc/de/Additional.lyx
@@ -15371,7 +15371,7 @@ Algorithmus
 \begin_inset CommandInset href
 LatexCommand href
 name "Algorithm2e-Dokumentation"
-target "http://mirrors.ctan.org/macros/latex/contrib/algorithm2e/doc/algorithm2e.pdf"
+target "https://mirrors.ctan.org/macros/latex/contrib/algorithm2e/doc/algorithm2e.pdf"
 literal "false"
 
 \end_inset
diff --git a/lib/doc/fr/Additional.lyx b/lib/doc/fr/Additional.lyx
index ae34324e9d..ea18f1a035 100644
--- a/lib/doc/fr/Additional.lyx
+++ b/lib/doc/fr/Additional.lyx
@@ -15014,7 +15014,7 @@ Algorithme
 \begin_inset CommandInset href
 LatexCommand href
 name "documentation algorithm2e"
-target "http://mirrors.ctan.org/macros/latex/contrib/algorithm2e/doc/algorithm2e.pdf"
+target "https://mirrors.ctan.org/macros/latex/contrib/algorithm2e/doc/algorithm2e.pdf"
 literal "false"
 
 \end_inset
diff --git a/lib/doc/fr/UserGuide.lyx b/lib/doc/fr/UserGuide.lyx
index ba20b9553a..97ea2ea392 100644
--- a/lib/doc/fr/UserGuide.lyx
+++ b/lib/doc/fr/UserGuide.lyx
@@ -5423,7 +5423,7 @@ NdT:
 \begin_inset CommandInset href
 LatexCommand href
 name "babel french"
-target "https://ctan.org/tex-archive/macros/latex/contrib/babel-contrib/french/frenchb.pdf"
+target "https://mirrors.ctan.org/macros/latex/contrib/babel-contrib/french/frenchb.pdf"
 literal "false"
 
 \end_inset
@@ -7129,7 +7129,7 @@ Avec
 \begin_inset CommandInset href
 LatexCommand href
 name " babel-french"
-target "https://ctan.org/tex-archive/macros/latex/contrib/babel-contrib/french/frenchb.pdf"
+target "https://mirrors.ctan.org/macros/latex/contrib/babel-contrib/french/frenchb.pdf"
 literal "false"
 
 \end_inset
diff --git a/lib/doc/ja/Additional.lyx b/lib/doc/ja/Additional.lyx
index 3c28eecf62..d8fcc2c396 100644
--- a/lib/doc/ja/Additional.lyx
+++ b/lib/doc/ja/Additional.lyx
@@ -15176,7 +15176,7 @@ algorithm2e
 \begin_inset CommandInset href
 LatexCommand href
 name "algorithm2e 解説文書"
-target "http://mirrors.ctan.org/macros/latex/contrib/algorithm2e/doc/algorithm2e.pdf"
+target "https://mirrors.ctan.org/macros/latex/contrib/algorithm2e/doc/algorithm2e.pdf"
 literal "false"
 
 \end_inset