diff --git a/README.md b/README.md
index 6b0adb7b..caad22a7 100644
--- a/README.md
+++ b/README.md
@@ -103,12 +103,12 @@ Default: `false`
 
 Version of [aqtinstall](https://github.com/miurahr/aqtinstall) to use, given in the format used by pip, for example: `==0.7.1`, `>=0.7.1`, `==0.7.*`. This is intended to be used to troubleshoot any bugs that might be caused or fixed by certain versions of aqtinstall.
 
-Default: `==0.8a2`
+Default: `==0.8a4`
 
 ### `py7zrversion`
 Version of py7zr in the same style as the aqtversion and intended to be used for the same purpose.
 
-Default: `==0.6b6`
+Default: `==0.6b8`
 
 ## Example with all arguments
 
@@ -125,8 +125,8 @@ Default: `==0.6b6`
         modules: 'qtcharts qtwebengine'
         mirror: 'http://mirrors.ocf.berkeley.edu/qt/'
         cached: 'false'
-        aqtversion: '==0.8a1'
-        py7zrversion: '==0.6b6'
+        aqtversion: '==0.8a4'
+        py7zrversion: '==0.6b8'
 ```
 
 ## More info
diff --git a/action.yml b/action.yml
index 902bc437..c6dc076d 100644
--- a/action.yml
+++ b/action.yml
@@ -29,10 +29,10 @@ inputs:
     default: 'false'
   aqtversion:
     description: "Version of aqtinstall to use in case of issues"
-    default: '==0.8a1'
+    default: '==0.8a4'
   py7zrversion:
     description: "Version of py7zr to use in case of issues"
-    default: '==0.6b6'
+    default: '==0.6b8'
 
 runs:
   using: 'node12'