diff --git a/.github/workflows/psalm.yml b/.github/workflows/psalm.yml
new file mode 100644
index 0000000..49f4ac6
--- /dev/null
+++ b/.github/workflows/psalm.yml
@@ -0,0 +1,22 @@
+on: [ pull_request ]
+name: Static analysis
+
+jobs:
+  psalm:
+    name: Psalm
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 8.4
+          coverage: none
+
+      - name: Download dependencies
+        uses: ramsey/composer-install@v2
+
+      - name: Psalm
+        run: vendor/bin/psalm --no-progress --output-format=github
diff --git a/composer.json b/composer.json
index 599e093..5c183e2 100644
--- a/composer.json
+++ b/composer.json
@@ -25,6 +25,7 @@
   },
   "require-dev": {
     "phpunit/phpunit": "^12.5",
-    "symfony/validator": "^8.0"
+    "symfony/validator": "^8.0",
+    "vimeo/psalm": "^6.16"
   }
 }
diff --git a/psalm.xml b/psalm.xml
new file mode 100644
index 0000000..57b5e7b
--- /dev/null
+++ b/psalm.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0"?>
+<psalm
+    errorLevel="3"
+    findUnusedCode="false"
+>
+    <issueHandlers>
+        <MissingOverrideAttribute errorLevel="suppress" />
+    </issueHandlers>
+    <projectFiles>
+        <directory name="src" />
+        <ignoreFiles>
+            <directory name="vendor" />
+        </ignoreFiles>
+    </projectFiles>
+</psalm>
\ No newline at end of file
diff --git a/src/Validator/Constraints/IdentityNumberValidator.php b/src/Validator/Constraints/IdentityNumberValidator.php
index 23356d1..e6a6f45 100644
--- a/src/Validator/Constraints/IdentityNumberValidator.php
+++ b/src/Validator/Constraints/IdentityNumberValidator.php
@@ -43,12 +43,12 @@ public function validate(mixed $value, Constraint $constraint): void
                 $this->coordinationIdFactory->createId($value);
 
                 return;
-            } catch (Exception $e) {}
+            } catch (\Exception $e) {}
         }
 
         try {
             $this->personalIdFactory->createId($value);
-        } catch (Exception $e) {
+        } catch (\Exception $e) {
             $this->context->addViolation($message);
         }
     }
diff --git a/src/Validator/Constraints/OrganizationNumberValidator.php b/src/Validator/Constraints/OrganizationNumberValidator.php
index 17b16f2..8eca46f 100644
--- a/src/Validator/Constraints/OrganizationNumberValidator.php
+++ b/src/Validator/Constraints/OrganizationNumberValidator.php
@@ -44,7 +44,7 @@ public function validate($value, Constraint $constraint): void
                 $this->personalIdFactory->createId($value);
 
                 return;
-            } catch (Exception $e) {}
+            } catch (\Exception $e) {}
         }
 
         if ($constraint->allowCoordinationNumber) {
@@ -55,12 +55,12 @@ public function validate($value, Constraint $constraint): void
                 $this->coordinationIdFactory->createId($value);
 
                 return;
-            } catch (Exception $e) {}
+            } catch (\Exception $e) {}
         }
 
         try {
             $this->organizationIdFactory->createId($value);
-        } catch (Exception $e) {
+        } catch (\Exception $e) {
             $this->context->addViolation($constraint->message);
         }
     }