diff --git a/pyproject.toml b/pyproject.toml
index c170aeb..8b464cc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,6 +25,10 @@ dependencies = [
     "vollib>=1.0.7",
     "arch>=6.0",
     "QuantLib>=1.30",
+    # Included in core (not just extras) so the Streamlit app deploys correctly
+    # regardless of installer (pip requirements vs uv/pyproject).
+    "plotly>=5.22",
+    "yfinance>=0.2.40",
 ]
 
 [project.optional-dependencies]
diff --git a/uv.lock b/uv.lock
index 00a056f..f5a337b 100644
--- a/uv.lock
+++ b/uv.lock
@@ -732,6 +732,7 @@ dependencies = [
     { name = "pandas" },
     { name = "pandas-market-calendars" },
     { name = "pandera" },
+    { name = "plotly" },
     { name = "pyarrow" },
     { name = "pydantic" },
     { name = "pydantic-settings" },
@@ -740,6 +741,7 @@ dependencies = [
     { name = "scipy" },
     { name = "structlog" },
     { name = "vollib" },
+    { name = "yfinance" },
     { name = "zstandard" },
 ]
 
@@ -784,6 +786,7 @@ requires-dist = [
     { name = "pandas-market-calendars", specifier = ">=4.3" },
     { name = "pandas-stubs", marker = "extra == 'dev'" },
     { name = "pandera", specifier = ">=0.20" },
+    { name = "plotly", specifier = ">=5.22" },
     { name = "plotly", marker = "extra == 'dev'", specifier = ">=5.22" },
     { name = "plotly", marker = "extra == 'ui'", specifier = ">=5.22" },
     { name = "pre-commit", marker = "extra == 'dev'", specifier = ">=3.7" },
@@ -802,6 +805,7 @@ requires-dist = [
     { name = "types-requests", marker = "extra == 'dev'" },
     { name = "vollib", specifier = ">=1.0.7" },
     { name = "weasyprint", marker = "extra == 'report'", specifier = ">=60" },
+    { name = "yfinance", specifier = ">=0.2.40" },
     { name = "yfinance", marker = "extra == 'data'", specifier = ">=0.2.40" },
     { name = "zstandard", specifier = ">=0.22" },
 ]