diff -Nru numpy-1.19.5/debian/changelog numpy-1.19.5/debian/changelog
--- numpy-1.19.5/debian/changelog	2022-07-31 18:06:15.000000000 +0000
+++ numpy-1.19.5/debian/changelog	2022-08-07 17:52:15.000000000 +0000
@@ -1,3 +1,11 @@
+numpy (1:1.19.5-1ubuntu1+20.04.sav0) focal; urgency=medium
+
+  * Rebuild with both Python 3.8 and 3.9 (as supported by debian/rules):
+    - debian/control: Add python3.9-{dbg,dev} BDs for this custom build
+    - debian/rules: Explicitly set "PY3VERS=3.8 3.9" for both versions
+
+ -- Rob Savoury <savoury@savos.tech>  Sun, 07 Aug 2022 10:52:15 -0700
+
 numpy (1:1.19.5-1ubuntu1~20.04.sav0) focal; urgency=medium
 
   * Backport to Focal for Boost 1.74 build with Python 3.9 (fix FTBFS of new
diff -Nru numpy-1.19.5/debian/control numpy-1.19.5/debian/control
--- numpy-1.19.5/debian/control	2022-07-31 17:37:30.000000000 +0000
+++ numpy-1.19.5/debian/control	2022-08-07 16:46:35.000000000 +0000
@@ -24,6 +24,8 @@
                liblapack-dev [!arm !m68k],
                python3-all-dbg,
                python3-all-dev,
+               python3.9-dbg,
+               python3.9-dev,
 #               python3-hypothesis (>= 5.19.1) <!nocheck>,
 #               python3-pytest <!nocheck>,
 #               python3-scipy <!nocheck>,
diff -Nru numpy-1.19.5/debian/rules numpy-1.19.5/debian/rules
--- numpy-1.19.5/debian/rules	2022-07-31 17:38:05.000000000 +0000
+++ numpy-1.19.5/debian/rules	2022-08-07 16:45:57.000000000 +0000
@@ -2,7 +2,8 @@
 
 export DH_VERBOSE=1
 
-PY3VERS=$(shell py3versions -vr)
+#PY3VERS=$(shell py3versions -vr)
+PY3VERS=3.8 3.9
 PY3DEF=$(shell py3versions -dv)
 PY3LIBPATH := $(shell python3 -c "from distutils.command.build import build ; from distutils.core import Distribution ; b = build(Distribution()) ; b.finalize_options() ; print (b.build_platlib)")