diff --git a/docs/requirements.txt b/docs/requirements.txt
index 722d09a7..f9f188ce 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-arcticpy==2.01.0
+arcticpy==2.6
 autoconf==2023.9.18.4
 numpydoc>=1.0.0
 pyprojroot==0.2.0
diff --git a/optional_requirements.txt b/optional_requirements.txt
index 6d8b6040..94e37990 100644
--- a/optional_requirements.txt
+++ b/optional_requirements.txt
@@ -1,5 +1,5 @@
 numba
 pyyaml
-arcticpy==2.5
+arcticpy==2.6
 ultranest==3.6.2