diff --git a/requirements-doc.txt b/requirements-doc.txt
index 653e7867..71b0f87b 100644
--- a/requirements-doc.txt
+++ b/requirements-doc.txt
@@ -11,7 +11,7 @@ PyWavelets
 spgl1
 scikit-fmm
 sympy
-devito>=4.8.6
+devito==4.8.11
 dtcwt
 matplotlib
 ipython