diff --git a/docs/assets/img/calendar-contacts/proton-calendar.jpg b/docs/assets/img/calendar-contacts/proton-calendar.jpg
deleted file mode 100644
index 2a2a2999..00000000
Binary files a/docs/assets/img/calendar-contacts/proton-calendar.jpg and /dev/null differ
diff --git a/docs/assets/img/calendar-contacts/proton-calendar.svg b/docs/assets/img/calendar-contacts/proton-calendar.svg
new file mode 100644
index 00000000..b7b32f3f
--- /dev/null
+++ b/docs/assets/img/calendar-contacts/proton-calendar.svg
@@ -0,0 +1,2 @@
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diff --git a/docs/calendar-contacts.md b/docs/calendar-contacts.md
index 1491e059..52f64265 100644
--- a/docs/calendar-contacts.md
+++ b/docs/calendar-contacts.md
@@ -33,7 +33,7 @@ These products are included with an subscription to the respective [email provid
 
 !!! recommendation
 
-    ![Proton Calendar logo](/assets/img/calendar-contacts/proton-calendar.jpg){ align=right }
+    ![Proton Calendar logo](/assets/img/calendar-contacts/proton-calendar.svg){ align=right }
 
     **Proton Calendar** is an calendar app that is available to ProtonMail users. All data stored within it is end-to-end encrypted when stored on ProtonMail's servers.
 
diff --git a/docs/tools.md b/docs/tools.md
index 70e7dfc8..72b632f1 100644
--- a/docs/tools.md
+++ b/docs/tools.md
@@ -216,7 +216,7 @@ We [recommend](dns.md#why-should-i-use-encrypted-dns) a number of encrypted DNS
 <div class="grid cards" markdown>
 
 - ![Tutanota logo](/assets/img/calendar-contacts/tutanota.svg){ .twemoji } [Tutanota (SaaS)](https://tutanota.com/calendar)
-- ![Proton Calendar logo](/assets/img/calendar-contacts/proton-calendar.jpg){ .twemoji } [Proton Calendar (SaaS)](https://calendar.protonmail.com/)
+- ![Proton Calendar logo](/assets/img/calendar-contacts/proton-calendar.svg){ .twemoji } [Proton Calendar (SaaS)](https://calendar.protonmail.com/)
 - ![EteSync logo](/assets/img/calendar-contacts/etesync.svg){ .twemoji } [EteSync](https://www.etesync.com/)
 - ![Tutanota logo](/assets/img/calendar-contacts/nextcloud.svg){ .twemoji } [Nextcloud](https://nextcloud.com/)
 - ![DecSync CC logo](/assets/img/calendar-contacts/decsync.svg){ .twemoji } [DecSync](https://github.com/39aldo39/DecSync)