diff --git a/pkgs/applications/editors/jetbrains/default.nix b/pkgs/applications/editors/jetbrains/default.nix
index 86eb399dd44a..b534eaa3cf97 100644
--- a/pkgs/applications/editors/jetbrains/default.nix
+++ b/pkgs/applications/editors/jetbrains/default.nix
@@ -260,7 +260,7 @@ in
       sha256 = products.clion.sha256;
     };
     wmClass = "jetbrains-clion";
-    update-channel = "CLion RELEASE"; # channel's id as in http://www.jetbrains.com/updates/updates.xml
+    update-channel = products.clion.update-channel;
   };
 
   datagrip = buildDataGrip rec {
@@ -273,7 +273,7 @@ in
       sha256 = products.datagrip.sha256;
     };
     wmClass = "jetbrains-datagrip";
-    update-channel = "DataGrip RELEASE";
+    update-channel = products.datagrip.update-channel;
   };
 
   goland = buildGoland rec {
@@ -286,7 +286,7 @@ in
       sha256 = products.goland.sha256;
     };
     wmClass = "jetbrains-goland";
-    update-channel = "GoLand RELEASE";
+    update-channel = products.goland.update-channel;
   };
 
   idea-community = buildIdea rec {
@@ -300,7 +300,7 @@ in
       sha256 = products.idea-community.sha256;
     };
     wmClass = "jetbrains-idea-ce";
-    update-channel = "IntelliJ IDEA RELEASE";
+    update-channel = products.idea-community.update-channel;
   };
 
   idea-ultimate = buildIdea rec {
@@ -314,12 +314,12 @@ in
       sha256 = products.idea-ultimate.sha256;
     };
     wmClass = "jetbrains-idea";
-    update-channel = "IntelliJ IDEA RELEASE";
+    update-channel = products.idea-ultimate.update-channel;
   };
 
   mps = buildMps rec {
     pname = "mps";
-    product = "MPS ${products.mps.version-major-minor}";
+    product = "MPS ${products.mps.version}";
     version = products.mps.version;
     description = "Create your own domain-specific language";
     license = lib.licenses.asl20;
@@ -328,7 +328,7 @@ in
       sha256 = products.mps.sha256;
     };
     wmClass = "jetbrains-mps";
-    update-channel = "MPS RELEASE";
+    update-channel = products.mps.update-channel;
   };
 
   phpstorm = buildPhpStorm rec {
@@ -341,7 +341,7 @@ in
       sha256 = products.phpstorm.sha256;
     };
     wmClass = "jetbrains-phpstorm";
-    update-channel = "PhpStorm RELEASE";
+    update-channel = products.phpstorm.update-channel;
   };
 
   pycharm-community = buildPycharm rec {
@@ -355,7 +355,7 @@ in
       sha256 = products.pycharm-community.sha256;
     };
     wmClass = "jetbrains-pycharm-ce";
-    update-channel = "PyCharm RELEASE";
+    update-channel = products.pycharm-community.update-channel;
   };
 
   pycharm-professional = buildPycharm rec {
@@ -369,7 +369,7 @@ in
       sha256 = products.pycharm-professional.sha256;
     };
     wmClass = "jetbrains-pycharm";
-    update-channel = "PyCharm RELEASE";
+    update-channel = products.pycharm-professional.update-channel;
   };
 
   rider = buildRider rec {
@@ -382,7 +382,7 @@ in
       sha256 = products.rider.sha256;
     };
     wmClass = "jetbrains-rider";
-    update-channel = "Rider RELEASE";
+    update-channel = products.rider.update-channel;
   };
 
   ruby-mine = buildRubyMine rec {
@@ -395,7 +395,7 @@ in
       sha256 = products.ruby-mine.sha256;
     };
     wmClass = "jetbrains-rubymine";
-    update-channel = "RubyMine RELEASE";
+    update-channel = products.ruby-mine.update-channel;
   };
 
   webstorm = buildWebStorm rec {
@@ -408,7 +408,7 @@ in
       sha256 = products.webstorm.sha256;
     };
     wmClass = "jetbrains-webstorm";
-    update-channel = "WebStorm RELEASE";
+    update-channel = products.webstorm.update-channel;
   };
 
 }
diff --git a/pkgs/applications/editors/jetbrains/update.py b/pkgs/applications/editors/jetbrains/update.py
index 5301a85ba9a2..fe57f75c72e1 100755
--- a/pkgs/applications/editors/jetbrains/update.py
+++ b/pkgs/applications/editors/jetbrains/update.py
@@ -1,6 +1,5 @@
 #! /usr/bin/env nix-shell
 #! nix-shell -i python3 -p python3 python3.pkgs.packaging python3.pkgs.requests python3.pkgs.xmltodict
-import hashlib
 import json
 import pathlib
 import logging
@@ -33,7 +32,8 @@ def download_channels():
 
 
 def build_version(build):
-    return version.parse(build["@version"])
+    build_number = build["@fullNumber"] if "@fullNumber" in build else build["@number"]
+    return version.parse(build_number)
 
 
 def latest_build(channel):
@@ -43,11 +43,10 @@ def latest_build(channel):
 
 
 def download_sha256(url):
+    url = f"{url}.sha256"
     download_response = requests.get(url)
     download_response.raise_for_status()
-    h = hashlib.sha256()
-    h.update(download_response.content)
-    return h.hexdigest()
+    return download_response.content.decode('UTF-8').split(' ')[0]
 
 
 channels = download_channels()
@@ -63,18 +62,22 @@ def update_product(name, product):
     else:
         try:
             build = latest_build(channel)
-            version = build["@version"]
-            parsed_version = build_version(build)
-            version_major_minor = f"{parsed_version.major}.{parsed_version.minor}"
-            download_url = product["url-template"].format(version = version, versionMajorMinor = version_major_minor)
+            new_version = build["@version"]
+            new_build_number = build["@fullNumber"]
+            if "EAP" not in channel["@name"]:
+                version_or_build_number = new_version
+            else:
+                version_or_build_number = new_build_number
+            version_number = new_version.split(' ')[0]
+            download_url = product["url-template"].format(version=version_or_build_number, versionMajorMinor=version_number)
             product["url"] = download_url
-            product["version-major-minor"] = version_major_minor
-            if "sha256" not in product or product.get("version") != version:
-                logging.info("Found a newer version %s.", version)
-                product["version"] = version
+            if "sha256" not in product or product.get("build_number") != new_build_number:
+                logging.info("Found a newer version %s with build number %s.", new_version, new_build_number)
+                product["version"] = new_version
+                product["build_number"] = new_build_number
                 product["sha256"] = download_sha256(download_url)
             else:
-                logging.info("Already at the latest version %s.", version)
+                logging.info("Already at the latest version %s with build number %s.", new_version, new_build_number)
         except Exception as e:
             logging.exception("Update failed:", exc_info=e)
             logging.warning("Skipping %s due to the above error.", name)