diff --git a/python/python-psi-impl/src/com/jetbrains/python/packaging/PyRequirementImpl.kt b/python/python-psi-impl/src/com/jetbrains/python/packaging/PyRequirementImpl.kt
index ec289b9e85ff..3ebe66dc8ce8 100644
--- a/python/python-psi-impl/src/com/jetbrains/python/packaging/PyRequirementImpl.kt
+++ b/python/python-psi-impl/src/com/jetbrains/python/packaging/PyRequirementImpl.kt
@@ -45,12 +45,12 @@ class PyRequirementImpl(
 
     return when (other) {
       is String -> name == normalizePackageName(other)
-      is PyRequirementImpl -> name == other.name // TODO: should we match specs & options ?
+      is PyRequirementImpl -> name == other.name && versionSpecs == other.versionSpecs
       else -> false
     }
   }
 
-  override fun hashCode(): Int = name.hashCode()
+  override fun hashCode(): Int =  31 * name.hashCode() + versionSpecs.hashCode()
 
   override fun toString(): String {
     return presentableText
diff --git a/python/python-psi-impl/src/com/jetbrains/python/packaging/PyRequirementParser.java b/python/python-psi-impl/src/com/jetbrains/python/packaging/PyRequirementParser.java
index 334ade26e057..693a8e9f0e22 100644
--- a/python/python-psi-impl/src/com/jetbrains/python/packaging/PyRequirementParser.java
+++ b/python/python-psi-impl/src/com/jetbrains/python/packaging/PyRequirementParser.java
@@ -30,9 +30,6 @@ import static com.jetbrains.python.packaging.parser.RequirementsParserHelper.VCS
  * @see <a href="https://www.python.org/dev/peps/pep-0440/">PEP-440</a>
  * @see PyRequirement
  * @see PyPackageVersionNormalizer
- * @see PyPackageManager#parseRequirement(String)
- * @see PyPackageManager#parseRequirements(String)
- * @see PyPackageManager#parseRequirements(VirtualFile)
  */
 public final class PyRequirementParser {
 
@@ -148,8 +145,8 @@ public final class PyRequirementParser {
   private static final @NotNull String REQUIREMENT_VERSION_SPEC_REGEXP = "(<=?|!=|===?|>=?|~=)" + LINE_WS_REGEXP + "*[\\.\\*\\+!\\w-]+";
 
   private static final @NotNull String REQUIREMENT_VERSIONS_SPECS_REGEXP =
-    "(?<" + REQUIREMENT_VERSIONS_SPECS_GROUP + ">" + REQUIREMENT_VERSION_SPEC_REGEXP +
-    "(" + LINE_WS_REGEXP + "*," + LINE_WS_REGEXP + "*" + REQUIREMENT_VERSION_SPEC_REGEXP + ")*)?";
+    "(?<" + REQUIREMENT_VERSIONS_SPECS_GROUP + ">\\(?" + REQUIREMENT_VERSION_SPEC_REGEXP +
+    "(" + LINE_WS_REGEXP + "*," + LINE_WS_REGEXP + "*" + REQUIREMENT_VERSION_SPEC_REGEXP + ")*\\)?)?";
 
   private static final @NotNull String REQUIREMENT_OPTIONS_GROUP = "options";
 
@@ -371,6 +368,11 @@ public final class PyRequirementParser {
   private static @NotNull List<PyRequirementVersionSpec> parseVersionSpecs(@Nullable String versionSpecs) {
     if (versionSpecs == null) return Collections.emptyList();
 
+    versionSpecs = versionSpecs.trim();
+    if (versionSpecs.startsWith("(") && versionSpecs.endsWith(")")) {
+      versionSpecs = versionSpecs.substring(1, versionSpecs.length() - 1);
+    }
+
     return StreamSupport
       .stream(StringUtil.tokenize(versionSpecs, ",").spliterator(), false)
       .map(String::trim)
diff --git a/python/testData/packaging/PyPackageUtil/SetupPyDependencyLinksReading/setup.py b/python/testData/packaging/PyPackageUtil/SetupPyDependencyLinksReading/setup.py
index f2e6f8edb8e3..693cca3f08a6 100644
--- a/python/testData/packaging/PyPackageUtil/SetupPyDependencyLinksReading/setup.py
+++ b/python/testData/packaging/PyPackageUtil/SetupPyDependencyLinksReading/setup.py
@@ -3,7 +3,7 @@ from setuptools import setup
 setup(name='foo',
       version=0.1,
       install_requires = ["sqlalchemy >=1.0.12, <1.1",
-                          "mysql-connector-python >=2.1.3, <2.2",],
+                          "mysql-connector-python ==2.1.3",],
       dependency_links = [
            "git+https://github.com/mysql/mysql-connector-python.git@2.1.3#egg=mysql-connector-python-2.1.3",
       ])
\ No newline at end of file
diff --git a/python/testSrc/com/jetbrains/python/packaging/PyRequirementTest.java b/python/testSrc/com/jetbrains/python/packaging/PyRequirementTest.java
index b6b3099df2c1..5c658dab5b06 100644
--- a/python/testSrc/com/jetbrains/python/packaging/PyRequirementTest.java
+++ b/python/testSrc/com/jetbrains/python/packaging/PyRequirementTest.java
@@ -1969,6 +1969,18 @@ public class PyRequirementTest extends PyTestCase {
     assertEquals(pyRequirement("no_limit_nester", EQ, "1.0+local.version.10"), fromLine("no_limit_nester==1.0+local.version.10"));
   }
 
+  public void testRequirementVersionWithBraces() {
+    assertEquals(pyRequirement("Orange-Bioinformatics", EQ, "2.5a20"), fromLine("Orange-Bioinformatics (==2.5a20)"));
+    assertEquals(pyRequirement("MOCPy", EQ, "0.1.0.dev0"), fromLine("MOCPy (==0.1.0.dev0)"));
+    assertEquals(pyRequirement("score.webassets", EQ, "0.2.3"), fromLine("score.webassets (==0.2.3)"));
+    assertEquals(pyRequirement("pip_helpers", EQ, "0.5.post6"), fromLine("pip_helpers (==0.5.post6)"));
+    assertEquals(pyRequirement("Django", EQ, "1.9rc1"), fromLine("Django (==1.9rc1)"));
+    assertEquals(pyRequirement("django", EQ, "1!1"), fromLine("django (==1!1)"));
+    assertEquals(pyRequirement("pinax-utils", EQ, "1.0b1.dev3"), fromLine("pinax-utils (==1.0b1.dev3)"));
+    assertEquals(pyRequirement("Flask-Celery-py3", EQ, "0.1.*"), fromLine("Flask-Celery-py3 (==0.1.*)"));
+    assertEquals(pyRequirement("no_limit_nester", EQ, "1.0+local.version.10"), fromLine("no_limit_nester (==1.0+local.version.10)"));
+  }
+
   // https://www.python.org/dev/peps/pep-0440/#normalization
   public void testRequirementAlternatePreReleaseVersion() {
     doRequirementVersionNormalizationTest("1.9rc1", "1.9RC1");
diff --git a/python/testSrc/com/jetbrains/python/packaging/conda/CondaEnvironmentTest.kt b/python/testSrc/com/jetbrains/python/packaging/conda/CondaEnvironmentTest.kt
index 6f48d1ae8d65..5406b6648b27 100644
--- a/python/testSrc/com/jetbrains/python/packaging/conda/CondaEnvironmentTest.kt
+++ b/python/testSrc/com/jetbrains/python/packaging/conda/CondaEnvironmentTest.kt
@@ -31,7 +31,7 @@ class CondaEnvironmentTest {
 
       // Exact version specifications
       PyRequirementParser.fromLine("scipy==1.9.3")!!,
-      PyRequirementParser.fromLine("requests==2.28.1")!!,
+      PyRequirementParser.fromLine("requests~=2.28.1")!!,
       PyRequirementParser.fromLine("flask==2.2.2")!!,
 
       // Version ranges with operators