diff --git a/pyinst.py b/pyinst.py
index 84b887134..199f0734f 100644
--- a/pyinst.py
+++ b/pyinst.py
@@ -22,7 +22,9 @@ old_rev = ''
 if len(_OLD_VERSION) > 1:
     old_rev = _OLD_VERSION[1]
 
-ver = f'{datetime.today():%Y.%m.%d}'
+now = datetime.now()
+# ver = f'{datetime.today():%Y.%m.%d}'
+ver = now.strftime("%Y.%m.%d")
 rev = ''
 
 if old_ver == ver:
diff --git a/pyinst32.py b/pyinst32.py
index eb3acb6c8..ea20a69e5 100644
--- a/pyinst32.py
+++ b/pyinst32.py
@@ -22,7 +22,9 @@ old_rev = ''
 if len(_OLD_VERSION) > 1:
     old_rev = _OLD_VERSION[1]
 
-ver = f'{datetime.today():%Y.%m.%d}'
+now = datetime.now()
+# ver = f'{datetime.today():%Y.%m.%d}'
+ver = now.strftime("%Y.%m.%d")
 rev = ''
 
 if old_ver == ver:
diff --git a/scripts/update-version.py b/scripts/update-version.py
index 28818e939..5d779717d 100644
--- a/scripts/update-version.py
+++ b/scripts/update-version.py
@@ -15,7 +15,9 @@ old_rev = ''
 if len(_OLD_VERSION) > 1:
     old_rev = _OLD_VERSION[1]
 
-ver = f'{datetime.today():%Y.%m.%d}'
+now = datetime.now()
+# ver = f'{datetime.today():%Y.%m.%d}'
+ver = now.strftime("%Y.%m.%d")
 rev = ''
 
 if old_ver == ver: