diff --git a/assay-master-252.79f5d78.tar.gz b/assay-master-252.79f5d78.tar.gz
deleted file mode 100644
index 6212fb2..0000000
--- a/assay-master-252.79f5d78.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:304019af2d27bf339b8c0fa961bc5f92672c6525b14b758a8103b99c90c77d1d
-size 18246
diff --git a/assay-master-255.f443e61.tar.gz b/assay-master-255.f443e61.tar.gz
new file mode 100644
index 0000000..0c421aa
--- /dev/null
+++ b/assay-master-255.f443e61.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a6c5295f9ad4d66f79e5d80d3e024e57be60af7455997cc6c95416cb0fed57cb
+size 18302
diff --git a/python-skyfield.changes b/python-skyfield.changes
index b1568f6..09864a8 100644
--- a/python-skyfield.changes
+++ b/python-skyfield.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Aug  6 09:09:08 UTC 2020 - Benjamin Greiner <code@bnavigator.de>
+
+- Update assay to commit 255.f443e61 in order to fix non x86 builds
+
 -------------------------------------------------------------------
 Sun Aug  2 11:51:04 UTC 2020 - Benjamin Greiner <code@bnavigator.de>
 
diff --git a/python-skyfield.spec b/python-skyfield.spec
index b97e9c4..870bcea 100644
--- a/python-skyfield.spec
+++ b/python-skyfield.spec
@@ -17,8 +17,8 @@
 
 
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
-%define assaycommit 79f5d784a55d70f31b2c90b636910738cd74840e
-%define assayver    252.79f5d78
+%define assaycommit f443e61ce1adedec4d73ee8e5d8bb6034e0c0c09
+%define assayver    255.f443e61
 %define skip_python2 1
 Name:           python-skyfield
 Version:        1.26