diff --git a/sci-electronics/dsview/dsview-1.12.ebuild b/sci-electronics/dsview/dsview-1.12-r1.ebuild
similarity index 98%
rename from sci-electronics/dsview/dsview-1.12.ebuild
rename to sci-electronics/dsview/dsview-1.12-r1.ebuild
index dbcb96bbc3..f2fffbf416 100644
--- a/sci-electronics/dsview/dsview-1.12.ebuild
+++ b/sci-electronics/dsview/dsview-1.12-r1.ebuild
@@ -52,6 +52,7 @@ PATCHES=(
 	"${FILESDIR}"/${P}-fix-qt.patch
 	"${FILESDIR}"/${P}-fix-segfault.patch
 	"${FILESDIR}"/${P}-fix-extern-c.patch
+	"${FILESDIR}"/${P}-fix-python3.patch
 )
 
 src_prepare() {
diff --git a/sci-electronics/dsview/files/dsview-1.12-fix-python3.patch b/sci-electronics/dsview/files/dsview-1.12-fix-python3.patch
new file mode 100644
index 0000000000..252eb8d497
--- /dev/null
+++ b/sci-electronics/dsview/files/dsview-1.12-fix-python3.patch
@@ -0,0 +1,11 @@
+--- a/libsigrokdecode4DSL/configure.ac	2020-05-11 21:07:38.000000000 +0800
++++ b/libsigrokdecode4DSL/configure.ac	2021-06-05 01:54:35.937525565 +0800
+@@ -90,7 +90,7 @@
+ 
+ # Python 3 is always needed.
+ SR_PKG_CHECK([python3], [SRD_PKGLIBS],
+-	[python3 >= 3.2], [python-3.7 >= 3.7], [python-3.6 >= 3.6], [python-3.5 >= 3.5], [python-3.4 >= 3.4], [python-3.3 >= 3.3], [python-3.2 >= 3.2])
++	[python3 >= 3.2], [python-3.10 >= 3.10], [python-3.9 >= 3.9], [python-3.8 >= 3.8], [python-3.7 >= 3.7], [python-3.6 >= 3.6], [python-3.5 >= 3.5], [python-3.4 >= 3.4], [python-3.3 >= 3.3], [python-3.2 >= 3.2])
+ AS_IF([test "x$sr_have_python3" = xno],
+ 	[AC_MSG_ERROR([Cannot find Python 3 development headers.])])
+