diff --git a/config.yml b/config.yml
index b77418f..31413ae 100644
--- a/config.yml
+++ b/config.yml
@@ -1,11 +1,13 @@
 # Each career has roles defined in
 # https://github.com/teamniteo/handbook/blob/master/5_People/salary-system.md#roles
 #
+
 # For each role, we get the median US salary from Salary.com, which
 # is annual amount in USD, we divide it by 12 and further divide it
 # by the 10-year average of EUR -> USD exchange rate from ofx.com.
 # We get a monthly base salary in EUR.
 eur_to_usd_10_year_avg: 1.188703
+careers_updated: '2023-13-31'
 careers:
 
 -   name: Design
@@ -113,6 +115,7 @@ careers:
 # for exact details on these calculations.
 
 affordability: 0.49
+countries_updated: '2023-12-30'
 countries:
 
 -   name: Albania
diff --git a/scripts/fetch_config_values.py b/scripts/fetch_config_values.py
index 6517581..e749949 100644
--- a/scripts/fetch_config_values.py
+++ b/scripts/fetch_config_values.py
@@ -1,5 +1,6 @@
 """Use a real browser to fetch config.yaml values."""
 
+from datetime import date
 from ruamel.yaml import RoundTripDumper
 from ruamel.yaml import RoundTripLoader
 from selenium import webdriver
@@ -117,6 +118,7 @@ def countries(
             compress_towards_affordability(numbeo_ratio, config["affordability"]), 2
         )
 
+    config["countries_updated"] = date.today().isoformat()
     pbar.close()
 
 
@@ -148,6 +150,7 @@ def salaries(
         base_salary = round(us_salary / 12 / config["eur_to_usd_10_year_avg"])
         role["baseSalary"] = base_salary
 
+    config["careers_updated"] = date.today().isoformat()
     pbar.close()
 
 
diff --git a/src/Config.elm b/src/Config.elm
index abe71db..ccf6556 100644
--- a/src/Config.elm
+++ b/src/Config.elm
@@ -17,6 +17,8 @@ import Json.Decode as Decode
 type alias Config =
     { countries : List Country
     , careers : List Career
+    , countries_updated : String
+    , careers_updated : String
     }
 
 
@@ -58,10 +60,12 @@ type alias Config =
 -}
 configDecoder : Decode.Decoder Config
 configDecoder =
-    Decode.map2
+    Decode.map4
         Config
         (Decode.field "countries" countriesDecoder)
         (Decode.field "careers" careersDecoder)
+        (Decode.field "careers_updated" Decode.string)
+        (Decode.field "countries_updated" Decode.string)
 
 
 {-| A helper for configDecoder
diff --git a/src/Main.elm b/src/Main.elm
index c0b510f..e616db6 100644
--- a/src/Main.elm
+++ b/src/Main.elm
@@ -64,6 +64,8 @@ init flags =
                     , roleDropdown = Dropdown.initialState
                     , countryDropdown = Dropdown.initialState
                     , tenureDropdown = Dropdown.initialState
+                    , careers_updated = "1999-01-01"
+                    , countries_updated = "1999-01-01"
                     }
 
                 Ok config ->
@@ -165,6 +167,8 @@ init flags =
                     , roleDropdown = Dropdown.initialState
                     , countryDropdown = Dropdown.initialState
                     , tenureDropdown = Dropdown.initialState
+                    , careers_updated = config.careers_updated
+                    , countries_updated = config.countries_updated
                     }
     in
     ( model
@@ -218,6 +222,8 @@ type alias Model =
     , roleDropdown : Dropdown.State
     , countryDropdown : Dropdown.State
     , tenureDropdown : Dropdown.State
+    , careers_updated : String
+    , countries_updated : String
     }
 
 
@@ -334,7 +340,7 @@ view model =
                                     ( Just role, Just country ) ->
                                         [ Accordion.block []
                                             [ Block.text []
-                                                [ viewBreakdown role country model.tenure ]
+                                                [ viewBreakdown role country model.tenure model.careers_updated model.countries_updated ]
                                             ]
                                         ]
                             }
@@ -507,8 +513,8 @@ viewSalary maybeRole maybeCountry tenure =
                 ]
 
 
-viewBreakdown : Role -> Country -> Int -> Html Msg
-viewBreakdown role country tenure =
+viewBreakdown : Role -> Country -> Int -> String -> String -> Html Msg
+viewBreakdown role country tenure careers_updated countries_updated =
     div []
         [ table [ class "table" ]
             [ tr []
@@ -600,7 +606,10 @@ viewBreakdown role country tenure =
                     [ text "Base Salary: " ]
                 , text "US median for "
                 , mark [] [ text role.name ]
-                , text " on Salary.com, divided by 12 (months) and converted to EUR using a 10-year USD -> EUR average."
+                , text " on Salary.com, divided by 12 (months) and converted to EUR using a 10-year USD -> EUR average. "
+                , text "This value was fetched from Salary.com on "
+                , mark [] [ text careers_updated ]
+                , text "."
                 ]
             , ListGroup.li []
                 [ span
@@ -609,7 +618,10 @@ viewBreakdown role country tenure =
                     [ text "Compressed Cost of Living: " ]
                 , text "Numbeo Cost of Living in "
                 , mark [] [ text country.name ]
-                , text " compared to United States, compressed against our Affordability Ratio of 0.49."
+                , text " compared to United States, compressed against our Affordability Ratio of 0.49. "
+                , text "This value was fetched from Numbeo on "
+                , mark [] [ text countries_updated ]
+                , text "."
                 ]
             , ListGroup.li []
                 [ span