diff --git a/_directory/data/chip75/data.yml b/_directory/data/chip75/data.yml
index c750c26e..d52d8e0d 100644
--- a/_directory/data/chip75/data.yml
+++ b/_directory/data/chip75/data.yml
@@ -6,8 +6,8 @@ name: Kai Kristinus
 # geo location (required)
 # provide your favored level of detail by number of digits (like 50.107811 vs 50.11)
 # you may use services like openstreetmap.org to find out your geo location
-latitude: 50.1078987
-longitude: 8.6674557
+latitude: 50.110383
+longitude: 8.679363
 
 # bio
 # describe yourself, your involvement in the project and the community or whatever is relevant for you.
@@ -24,6 +24,6 @@ image: https://avatars0.githubusercontent.com/u/1301303?s=460&v=4
 # 4 links, tops!
 links:
 - https://github.com/chip75
-- http://www.yakamara.de
+- https://www.yakamara.de
 
 ---
diff --git a/_directory/data/dergel/data.yml b/_directory/data/dergel/data.yml
index d96cfb70..8b0788f6 100644
--- a/_directory/data/dergel/data.yml
+++ b/_directory/data/dergel/data.yml
@@ -6,8 +6,8 @@ name: Jan Kristinus
 # geo location (required)
 # provide your favored level of detail by number of digits (like 50.107811 vs 50.11)
 # you may use services like openstreetmap.org to find out your geo location
-latitude: 50.1079555
-longitude: 8.66766628
+latitude: 50.110189
+longitude: 8.679419
 
 # bio
 # describe yourself, your involvement in the project and the community or whatever is relevant for you.
@@ -24,6 +24,6 @@ image: https://avatars3.githubusercontent.com/u/322951?s=460&v=4
 # 4 links, tops!
 links:
 - https://github.com/dergel
-- http://www.yakamara.de
+- https://www.yakamara.de
 
 ---
diff --git a/_directory/data/gharlan/data.yml b/_directory/data/gharlan/data.yml
index 80201eee..e4b6b582 100644
--- a/_directory/data/gharlan/data.yml
+++ b/_directory/data/gharlan/data.yml
@@ -6,8 +6,8 @@ name: Gregor Harlan
 # geo location (required)
 # provide your favored level of detail by number of digits (like 50.107811 vs 50.11)
 # you may use services like openstreetmap.org to find out your geo location
-latitude: 50.1076674
-longitude: 8.6673591
+latitude: 50.110063
+longitude: 8.679458
 
 # bio
 # describe yourself, your involvement in the project and the community or whatever is relevant for you.
@@ -24,6 +24,6 @@ image: https://avatars3.githubusercontent.com/u/330436?s=460&v=4
 # 4 links, tops!
 links:
 - https://github.com/gharlan
-- http://www.yakamara.de
+- https://www.yakamara.de
 
 ---
diff --git a/_directory/data/subunity/data.yml b/_directory/data/subunity/data.yml
index 62fbcdec..4277dcee 100644
--- a/_directory/data/subunity/data.yml
+++ b/_directory/data/subunity/data.yml
@@ -6,8 +6,8 @@ name: Ralph Zumkeller
 # geo location (required)
 # provide your favored level of detail by number of digits (like 50.107811 vs 50.11)
 # you may use services like openstreetmap.org to find out your geo location
-latitude: 50.1075487
-longitude: 8.6675080
+latitude: 50.110297
+longitude: 8.679386
 
 # bio
 # describe yourself, your involvement in the project and the community or whatever is relevant for you.
@@ -24,6 +24,6 @@ image: https://avatars0.githubusercontent.com/u/4094576?s=460&v=4
 # 4 links, tops!
 links:
 - https://github.com/subunity
-- http://www.yakamara.de
+- https://www.yakamara.de
 
 ---
diff --git a/_directory/data/tbaddade/data.yml b/_directory/data/tbaddade/data.yml
index 39181d1c..9302ab43 100644
--- a/_directory/data/tbaddade/data.yml
+++ b/_directory/data/tbaddade/data.yml
@@ -24,6 +24,6 @@ image: https://avatars0.githubusercontent.com/u/338267?s=460&v=4
 # 4 links, tops!
 links:
 - https://github.com/tbaddade
-- http://www.yakamara.de
+- https://www.yakamara.de
 
 ---