diff --git a/_sponsors.html b/_sponsors.html
index e8c76e6dce..b2580376d0 100644
--- a/_sponsors.html
+++ b/_sponsors.html
@@ -157,6 +157,7 @@
 <div class="silver"><p> <a class="x" href="https://onelessthing.co.uk/" rel="sponsored"><img src="pix/silver/onelessthing.svg" alt="Onelessthing"></a></div>
 <div class="silver"><p> <a class="x" href="https://www.babiel.com/" rel="sponsored"><img src="pix/silver/babiel.svg" alt="Babiel"></a></div>
 <div class="silver"><p> <a class="x" href="https://zynk.it" rel="sponsored"><img src="pix/silver/zynk.svg" alt="Zynk"></a></div>
+<div class="silver"><p> <a class="x" href="https://www.open-systems.com" rel="sponsored"><img src="pix/silver/open-systems.svg" alt="Open-systems"></a></div>
 
 <!-- Silver via other means -->
 <!-- Silver-level but opencollective does not show (?) -->
diff --git a/mk-sponsors.pl b/mk-sponsors.pl
index fe16ad6428..0f5152fbda 100755
--- a/mk-sponsors.pl
+++ b/mk-sponsors.pl
@@ -23,6 +23,7 @@
     'https://onelessthing.co.uk/' => 'onelessthing.svg',
     'guest-b727d782' => 'zynk.svg',
     'babiel-gmbh' => 'babiel.svg',
+    'https://www.open-systems.com' => 'open-systems.svg',
 
     # Sponsors that don't get images
     'thebestsolution' => '[none]',  # link denied 16 May 2024 due to social media manipulation
diff --git a/pix/silver/open-systems.svg b/pix/silver/open-systems.svg
new file mode 100644
index 0000000000..b20bb21b75
--- /dev/null
+++ b/pix/silver/open-systems.svg
@@ -0,0 +1 @@
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