diff --git a/projects/adv7513/de10nano/system_project.tcl b/projects/adv7513/de10nano/system_project.tcl
index 46fb39c2c7..db41fd2151 100644
--- a/projects/adv7513/de10nano/system_project.tcl
+++ b/projects/adv7513/de10nano/system_project.tcl
@@ -1,4 +1,4 @@
-set REQUIRED_QUARTUS_VERSION 18.1.0
+set REQUIRED_QUARTUS_VERSION 20.1.1
 set QUARTUS_PRO_ISUSED 0
 
 source ../../scripts/adi_env.tcl
diff --git a/projects/cn0540/de10nano/system_project.tcl b/projects/cn0540/de10nano/system_project.tcl
index 102028ac95..17ec7077f2 100755
--- a/projects/cn0540/de10nano/system_project.tcl
+++ b/projects/cn0540/de10nano/system_project.tcl
@@ -1,4 +1,4 @@
-set REQUIRED_QUARTUS_VERSION 18.1.0
+set REQUIRED_QUARTUS_VERSION 20.1.1
 set QUARTUS_PRO_ISUSED 0
 
 source ../../scripts/adi_env.tcl