diff --git a/bpm-ai/bpm_ai/translate/schema.py b/bpm-ai/bpm_ai/translate/schema.py
deleted file mode 100644
index b876ca1..0000000
--- a/bpm-ai/bpm_ai/translate/schema.py
+++ /dev/null
@@ -1,3 +0,0 @@
-
-def get_translation_output_schema(input_data: dict, target_language: str):
-    return {k: f'{k} translated into {target_language}' for k in input_data.keys()}
diff --git a/bpm-ai/bpm_ai/translate/translate.py b/bpm-ai/bpm_ai/translate/translate.py
index 78f0790..f74d1fe 100644
--- a/bpm-ai/bpm_ai/translate/translate.py
+++ b/bpm-ai/bpm_ai/translate/translate.py
@@ -7,7 +7,7 @@
 
 from bpm_ai.common.errors import MissingParameterError, LanguageNotFoundError
 from bpm_ai.common.multimodal import transcribe_audio, prepare_images_for_llm_prompt, ocr_documents
-from bpm_ai.translate.schema import get_translation_output_schema
+from bpm_ai.translate.util import get_translation_output_schema, get_lang_code
 
 
 @trace("bpm-ai-translate", ["llm"])
@@ -68,10 +68,7 @@ async def translate_nmt(
     input_items = await transcribe_audio(input_items, asr)
 
     try:
-        import langcodes
-        target_language_code = langcodes.find(target_language).language
-    except ImportError:
-        raise ImportError('langcodes is not installed')
+        target_language_code = get_lang_code(target_language)
     except LookupError:
         raise LanguageNotFoundError(f"Could not identify target language '{target_language}'.")
 
diff --git a/bpm-ai/bpm_ai/translate/util.py b/bpm-ai/bpm_ai/translate/util.py
new file mode 100644
index 0000000..2b754d4
--- /dev/null
+++ b/bpm-ai/bpm_ai/translate/util.py
@@ -0,0 +1,30 @@
+from enum import Enum
+
+
+def get_translation_output_schema(input_data: dict, target_language: str):
+    return {k: f'{k} translated into {target_language}' for k in input_data.keys()}
+
+
+class Language(Enum):
+    ENGLISH = "en"
+    FRENCH = "fr"
+    GERMAN = "de"
+    SPANISH = "es"
+    ITALIAN = "it"
+    PORTUGUESE = "pt"
+    DUTCH = "nl"
+    DANISH = "da"
+    SWEDISH = "sv"
+    NYNORSK = "no"
+    NORWEGIAN = "no"
+    BOKMAL = "no"
+    FINNISH = "fi"
+    POLISH = "pl"
+    UKRAINIAN = "uk"
+
+
+language_dict = {lang.lower(): Language[lang].value for lang in Language.__members__.keys()}
+
+
+def get_lang_code(language: str) -> str:
+    return language_dict[language.strip().lower()]
\ No newline at end of file
diff --git a/bpm-ai/poetry.lock b/bpm-ai/poetry.lock
index e8d1d39..d14e5ab 100644
--- a/bpm-ai/poetry.lock
+++ b/bpm-ai/poetry.lock
@@ -249,55 +249,56 @@ tests-no-zope = ["attrs[tests-mypy]", "cloudpickle", "hypothesis", "pympler", "p
 
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 name = "av"
-version = "10.0.0"
+version = "11.0.0"
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-python-versions = "*"
+python-versions = ">=3.8"
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 ]
 
 [[package]]
@@ -836,36 +837,36 @@ test-randomorder = ["pytest-randomly"]
 
 [[package]]
 name = "ctranslate2"
-version = "3.24.0"
+version = "4.1.0"
 description = "Fast inference engine for Transformer models"
 optional = false
 python-versions = ">=3.8"
 files = [
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+    {file = "ctranslate2-4.1.0-cp39-cp39-macosx_11_0_arm64.whl", hash = "sha256:2f70b696cbb222cb1dfa3b4ab1a385c1c801df7f250ede63b2d30bdb0471f1a5"},
+    {file = "ctranslate2-4.1.0-cp39-cp39-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:cf9f23e7a354024758ff503a9c287986b0b49b363695438ce90056f390f0ac9d"},
+    {file = "ctranslate2-4.1.0-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:8964d97936950ecd9ec0bc90ceb503156c704901287d52b0129df9d6800dd81b"},
+    {file = "ctranslate2-4.1.0-cp39-cp39-win_amd64.whl", hash = "sha256:4adaeb8fdaa61b881b8e91bbc01b580b07b6581facc3de01844a09dad704b31e"},
 ]
 
 [package.dependencies]
@@ -928,18 +929,18 @@ files = [
 
 [[package]]
 name = "faster-whisper"
-version = "0.10.1"
+version = "0.10.0"
 description = "Faster Whisper transcription with CTranslate2"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "faster-whisper-0.10.1.tar.gz", hash = "sha256:48efa06023a2676eaa98254ebfd66ef76fe630918ccf2d02f8d58654ae292675"},
-    {file = "faster_whisper-0.10.1-py3-none-any.whl", hash = "sha256:27935ef45598ed53ae954d42e6c696852b4f675daf080cd8d958238136309ff8"},
+    {file = "faster-whisper-0.10.0.tar.gz", hash = "sha256:591809328b93c8e4594d52097ec6352a270a81fbb7b956254967f28700f7e4da"},
+    {file = "faster_whisper-0.10.0-py3-none-any.whl", hash = "sha256:ac45d6f4db638fcb4fa4550da0268ca1757bc40a56ed911c56363fd040cd6c1b"},
 ]
 
 [package.dependencies]
-av = "==10.*"
-ctranslate2 = ">=3.22,<4"
+av = "==11.*"
+ctranslate2 = ">=4.0,<5"
 huggingface-hub = ">=0.13"
 onnxruntime = ">=1.14,<2"
 tokenizers = ">=0.13,<0.16"
@@ -2026,13 +2027,13 @@ sympy = "*"
 
 [[package]]
 name = "openai"
-version = "1.16.1"
+version = "1.16.2"
 description = "The official Python library for the openai API"
 optional = false
 python-versions = ">=3.7.1"
 files = [
-    {file = "openai-1.16.1-py3-none-any.whl", hash = "sha256:77ef3db6110071f7154859e234250fb945a36554207a30a4491092eadb73fcb5"},
-    {file = "openai-1.16.1.tar.gz", hash = "sha256:58922c785d167458b46e3c76e7b1bc2306f313ee9b71791e84cbf590abe160f2"},
+    {file = "openai-1.16.2-py3-none-any.whl", hash = "sha256:46a435380921e42dae218d04d6dd0e89a30d7f3b9d8a778d5887f78003cf9354"},
+    {file = "openai-1.16.2.tar.gz", hash = "sha256:c93d5efe5b73b6cb72c4cd31823852d2e7c84a138c0af3cbe4a8eb32b1164ab2"},
 ]
 
 [package.dependencies]
@@ -3896,4 +3897,4 @@ multidict = ">=4.0"
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.11"
-content-hash = "722300df83df4ad82c3e834b19e9d050006500696b52d4c205aa83c6c966b912"
+content-hash = "15ddc40d06280f99b6f890c13896d81c42786fc0fc6832d131569062803f0e8b"
diff --git a/bpm-ai/pyproject.toml b/bpm-ai/pyproject.toml
index 90d4733..474ea44 100644
--- a/bpm-ai/pyproject.toml
+++ b/bpm-ai/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "bpm-ai"
-version = "1.4.0"
+version = "1.4.1"
 description = "AI task automation for BPM engines."
 authors = ["Bennet Krause <bennet.krause@holisticon.de>"]
 repository = "https://github.com/holunda-io/bpm-ai"
@@ -19,7 +19,7 @@ aiobotocore = "^2.12.1"
 azure-storage-blob = "^12.19.1"
 azure-ai-translation-text = "^1.0.0b1"
 azure-ai-documentintelligence = "^1.0.0b2"
-langcodes = { version = "^3.3.0", extras = ["data"]}
+av = "^11.0.0"
 
 [tool.poetry.group.dev.dependencies]
 bpm-ai-inference = "0.2.2"