From e931cb4ab8247d23546d87cbe1ee677909591a63 Mon Sep 17 00:00:00 2001
From: Dongdong Tian <seisman.info@gmail.com>
Date: Tue, 12 Sep 2023 15:35:58 +0800
Subject: [PATCH] CI: Pin GMT to a specific build on RTD (#2684)

---
 ci/requirements/docs.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ci/requirements/docs.yml b/ci/requirements/docs.yml
index 02e3def57e0..df48d61e293 100644
--- a/ci/requirements/docs.yml
+++ b/ci/requirements/docs.yml
@@ -4,7 +4,7 @@ channels:
     - nodefaults
 dependencies:
     # Required dependencies
-    - gmt=6.4.0
+    - gmt=6.4.0=h4733502_10
     - numpy>=1.22
     - pandas
     - xarray