diff --git a/master_changes.md b/master_changes.md
index 024eadbeb77..39c129767c4 100644
--- a/master_changes.md
+++ b/master_changes.md
@@ -88,6 +88,7 @@ users)
 
 ## Install script
   * Add 2.3.0\~alpha1 to the install scripts [#6203 @kit-ty-kate]
+  * Add 2.3.0~beta1 to the install scripts [#6238 @rjbou]
 
 ## Admin
 
diff --git a/shell/install.ps1 b/shell/install.ps1
index 612663e5675..3bd7ba4bae8 100644
--- a/shell/install.ps1
+++ b/shell/install.ps1
@@ -20,7 +20,7 @@ param (
   [string]$OpamBinDir = $null
 )
 
-$DevVersion = "2.3.0~alpha1"
+$DevVersion = "2.3.0~beta1"
 $IsAdmin = (New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)
 $DefaultBinDir = If ($IsAdmin) {"$Env:ProgramFiles\opam\bin"} Else {"$Env:LOCALAPPDATA\Programs\opam\bin"}
 
@@ -31,6 +31,7 @@ $SHA512s = @{
   "opam-2.2.0-x86_64-windows.exe"        = "171b679c192801f7ec783de4c51d614055cff167d521d31c543b6bed14d9eb3d37a808be4d83ff9acfd0fc1d7008e6582dce245836a51109fc0cb8456528c473";
   "opam-2.2.1-x86_64-windows.exe"        = "7a6dd3012e5553ab85337411d0a145c5d26ceff30687c5e91aaff81d9bd48bbf1852ae37ca8992d57435838a025557512e6ac6958fba7123bacd21d9a8aba31a";
   "opam-2.3.0-alpha1-x86_64-windows.exe" = "2058acf0810c8bbc9d924827484c800b47f74d9c90d70319343a7e8e3ab6592b9f0dea1c76547ea1294b72106c3bcdb91e41718471ec85211ed43d7a8d7372c7";
+  "opam-2.3.0-beta1-x86_64-windows.exe"  = "bbac0c1e217525a62a557b038aa738609d16799588d0cec99e89c10bd20fb5f2b61482f4418bd06cf7f7f5c7da7f1585514bd7fdc2ced2bde9673ede58f23905";
 }
 
 Function DownloadAndCheck {
diff --git a/shell/install.sh b/shell/install.sh
index 2626b416b71..f4c87fc4beb 100755
--- a/shell/install.sh
+++ b/shell/install.sh
@@ -6,7 +6,7 @@ set -ue
 # (c) Copyright Louis Gesbert OCamlPro 2014-2017
 
 VERSION='2.2.1'
-DEV_VERSION='2.3.0~alpha1'
+DEV_VERSION='2.3.0~beta1'
 DEFAULT_BINDIR=/usr/local/bin
 
 bin_sha512() {
@@ -293,6 +293,18 @@ bin_sha512() {
     opam-2.3.0-alpha1-x86_64-macos)   echo "9130b36510550db726770b1e9fe997d681f52fb442f577871ab890c6912b651d036a99d95e4a5d798c39f2a60dc5d7cd127d9647e16a44eb15f1e598ef5e927d";;
     opam-2.3.0-alpha1-x86_64-openbsd) echo "c18dca7b55ac2e67c61d4b370dd85348171feac9c4f2ea1ed2f154978ec54b545b540a02264ad29a920082d8aa5ebd82a3472bcee16faf14d33a117e8ea5c077";;
 
+    opam-2.3.0-beta1-arm64-linux)     echo "34335716803017572d4768766b39501fa19058eba28ca1274c579a17b8966b0420f88f93c5bc5580d18cbdcd8559ca12ea2a06e147fc1eb375837375dcbdbb1e";;
+    opam-2.3.0-beta1-arm64-macos)     echo "0dbb9cda74137d4582269d2a8e2b8137883120d082b8c8330daa4ac2abcb115b254d4f712be1d0a7d6761cd4369b95d6754b5af18144e12e9262286a83743519";;
+    opam-2.3.0-beta1-armhf-linux)     echo "13c6686f5f7ff81a5f4b370816cf91cea113b921db7881fe82404e83ad2818f94d2a6e9788b4bcb740223f4cebe141f1a938e2c0b813529e34297561df74dbb0";;
+    opam-2.3.0-beta1-i686-linux)      echo "aab115d818d08be44d9c10af37e289702f705ccd98d5fa36e7d590d526419e36cf802f787873902a9d5683cefedbc6f32fb1c2f108c546ca52cf5f30dee29e54";;
+    opam-2.3.0-beta1-ppc64le-linux)   echo "5c50bb21c602de678b0f78cb9ea795177b8f163ec1913cdbdafeb7c1007d47984fc81c10d4488a81e3aeb2529865d7ecf61d5f2fa35bb888bfdd15b42b1a82b3";;
+    opam-2.3.0-beta1-riscv64-linux)   echo "491dd23553b343c2b5e88ab118cbb6a434ec689d7aeee030866c6aed747243e7bc2a48749c59069ddf8cf9df28769fd035c785803cbb74ac527133781fbd74cd";;
+    opam-2.3.0-beta1-s390x-linux)     echo "cb2ab8a8e96e86ee61712841aa4e7d9c6792d03c5ba78a56827dbd91b8c704572e8b939ef498b512cf3c751fad8f2d3865d0b080780ed30db0ca0569dddfb65b";;
+    opam-2.3.0-beta1-x86_64-freebsd)  echo "1750da97e7af858b6bd8997da1aa9de949370b7f6a825f7b2ad98eb6ef606bc0c83b6b0fea0ef5e37094790e355892c31128a5b9221a792bf2762773ef5c6ff8";;
+    opam-2.3.0-beta1-x86_64-linux)    echo "184f69ca1ac0053b44aff4b2eb13849acbd4ba59a58734d8153c8f9b48f0adb2a890d18e8c2548cf96590cc52d6a0d3f2b80fa7d6aa7ae4f2d48c74ae8fd6eb4";;
+    opam-2.3.0-beta1-x86_64-macos)    echo "d4623d648a429caca388b77b7f88eb13e5e3bf7e8b354a59e9097e8f764658906d94cf701d0ccc6accf7489002aeabc147d0483b034b15fd98dbd820188e203e";;
+    opam-2.3.0-beta1-x86_64-openbsd)  echo "54f2bb62b72faefc09a55d93299016ef50f2a3b442c471495bdf3d7bc0eb88e237bffa05d6c17dae0d1f8cd403b2cf41740bd296dbbd2564b5d2ee9e37be265b";;
+
     *) echo "no sha";;
   esac
 }