diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4ea21cc..89dcea0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event.repository.fork == false
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
       - name: Configure Git Credentials
diff --git a/.github/workflows/develop.yml b/.github/workflows/develop.yml
index f2fc5a1..2d0e555 100644
--- a/.github/workflows/develop.yml
+++ b/.github/workflows/develop.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event.repository.fork == false
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
       - name: Configure Git Credentials
diff --git a/CHANGELOG b/CHANGELOG
index 6d4b5d6..516d9fa 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1 +1 @@
-27.08.2025
+23.07.2025
diff --git a/docs/contact/index.md b/docs/contact/index.md
index d09ed96..d2b2ed4 100644
--- a/docs/contact/index.md
+++ b/docs/contact/index.md
@@ -19,8 +19,8 @@ Salierstr. 8<br />
 
 ## Telefonisch und via Telefax
 
-**Telefon:** :fontawesome-solid-phone: [+49 7231 204 41 01](tel:+4972312044101)<br />
-**Telefax:** :fontawesome-solid-fax: +49 7231 204 41 02<br />
+**Telefon:** :fontawesome-solid-phone: [+49 7231 13 32 952](tel:+4972311332952)<br />
+**Telefax:** :fontawesome-solid-fax: +49 7231 13 32 95 29<br />
 
 ## E-Mail
 
diff --git a/docs/cv/overview/files/cv.pdf b/docs/cv/overview/files/cv.pdf
index 4bb7ecb..b5b20ee 100644
Binary files a/docs/cv/overview/files/cv.pdf and b/docs/cv/overview/files/cv.pdf differ
diff --git a/docs/cv/overview/index.md b/docs/cv/overview/index.md
index 327f9da..7fb56ec 100644
--- a/docs/cv/overview/index.md
+++ b/docs/cv/overview/index.md
@@ -17,7 +17,7 @@ Eine PDF-Version des Lebenslaufes kann [hier](files/cv.pdf) heruntergeladen werd
 Salierstraße 8<br />
 75177 Pforzheim<br />
 [stephan@hadan.de](mailto:stephan@hadan.de)<br />
-[+49 7231 204 41 01](tel:+4972312044101)
+[+49 7231 13 32 952](tel:+4972311332952)
 
 ## Berufserfahrung
 
diff --git a/docs/imprint/index.md b/docs/imprint/index.md
index 92c1148..0f7eaf6 100644
--- a/docs/imprint/index.md
+++ b/docs/imprint/index.md
@@ -12,8 +12,8 @@ Salierstr. 8<br />
 
 ## Kontaktmöglichkeiten
 
-Telefon: +49 7231 204 41 01<br />
-Telefax: +49 7231 204 41 02<br />
+Telefon: +49 7231 13 32 952<br />
+Telefax: +49 7231 13 32 95 29<br />
 E-Mail: stephan@hadan.de<br />
 
 ## Journalistisch-redaktionelle Angebote
diff --git a/requirements.txt b/requirements.txt
index f990e55..8c52809 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,21 +20,21 @@
 
 # Requirements for core
 jinja2~=3.1.6
-markdown~=3.9.0
+markdown~=3.8
 mkdocs~=1.6.1
 #mkdocs-material~=9.5
 mkdocs-material-extensions~=1.3.1
-pygments~=2.19.2
-pymdown-extensions~=10.16.1
+pygments~=2.19.1
+pymdown-extensions~=10.15
 mkdocs-material[imaging]
 
 # Plugins
 mkdocs-git-revision-date-localized-plugin~=1.4.7
 #mkdocs-git-committers-plugin-2~=2.4.1
 mkdocs-git-authors-plugin~=0.10.0
-mkdocs-glightbox~=0.5.1
+mkdocs-glightbox~=0.4.0
 mkdocs-rss-plugin~=1.17.3
-mkdocs-macros-plugin~=1.3.9
+mkdocs-macros-plugin~=1.3.7
 mkdocstrings~=0.30.0
 mkdocstrings-python
 mkdocs-awesome-pages-plugin~=2.10.1