diff --git a/PowerShellEditorServices.build.ps1 b/PowerShellEditorServices.build.ps1
index 109e9a73d..af68856eb 100644
--- a/PowerShellEditorServices.build.ps1
+++ b/PowerShellEditorServices.build.ps1
@@ -21,6 +21,8 @@ param(
 $script:IsUnix = $PSVersionTable.PSEdition -and $PSVersionTable.PSEdition -eq "Core" -and !$IsWindows
 $script:RequiredSdkVersion = (Get-Content (Join-Path $PSScriptRoot 'global.json') | ConvertFrom-Json).sdk.version
 $script:BuildInfoPath = [System.IO.Path]::Combine($PSScriptRoot, "src", "PowerShellEditorServices.Hosting", "BuildInfo.cs")
+$script:PsesCommonProps = [xml](Get-Content -Raw "$PSScriptRoot/PowerShellEditorServices.Common.props")
+$script:IsPreview = [bool]($script:PsesCommonProps.Project.PropertyGroup.VersionSuffix)
 
 $script:NetRuntime = @{
     Core = 'netcoreapp2.1'
@@ -361,7 +363,7 @@ task RestorePsesModules -After Build {
             Name = $name
             MinimumVersion = $_.Value.MinimumVersion
             MaximumVersion = $_.Value.MaximumVersion
-            AllowPrerelease = $_.Value.AllowPrerelease
+            AllowPrerelease = $script:IsPreview
             Repository = if ($_.Value.Repository) { $_.Value.Repository } else { $DefaultModuleRepository }
             Path = $submodulePath
         }
diff --git a/modules.json b/modules.json
index 514a356c2..01a3d3967 100644
--- a/modules.json
+++ b/modules.json
@@ -1,16 +1,13 @@
 {
     "PSScriptAnalyzer":{
         "MinimumVersion":"1.18.3",
-        "MaximumVersion":"1.99",
-        "AllowPrerelease":false
+        "MaximumVersion":"1.99"
     },
     "Plaster":{
         "MinimumVersion":"1.0",
-        "MaximumVersion":"1.99",
-        "AllowPrerelease":false
+        "MaximumVersion":"1.99"
     },
     "PSReadLine":{
-        "MinimumVersion":"2.0.0",
-        "AllowPrerelease":true
+        "MinimumVersion":"2.0.0"
     }
 }