diff --git a/DESCRIPTION b/DESCRIPTION
index 72611b2..c6e1a7f 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -21,7 +21,7 @@ Description: EQ-5D is a popular health related quality of life instrument used
     index scores from a subject's dimension scores. 32 TTO and 11 VAS EQ-5D-3L
     value sets including those for countries in Szende et al (2007) 
     <doi:10.1007/1-4020-5511-0> and Szende et al (2014) 
-    <doi:10.1007/978-94-007-7596-1>, 46 EQ-5D-5L EQ-VT value sets, the 
+    <doi:10.1007/978-94-007-7596-1>, 47 EQ-5D-5L EQ-VT value sets, the 
     EQ-5D-5L crosswalk value sets developed by van Hout et al. (2012) 
     <doi:10.1016/j.jval.2012.02.008>, the crosswalk value sets for Bermuda, Jordan and 
     Russia and the reverse crosswalk value sets. 10 EQ-5D-Y value sets are also 
diff --git a/NEWS.Rmd b/NEWS.Rmd
index 941b711..d24b50c 100644
--- a/NEWS.Rmd
+++ b/NEWS.Rmd
@@ -7,6 +7,9 @@ output: github_document
 ```{r setup, include=FALSE}
 knitr::opts_chunk$set(echo = TRUE)
 ```
+# eq5d (development version)
+
+- Moroccan EQ-5D-5L value set added.
 
 # eq5d 0.15.7 (2025-02-28)
 
diff --git a/NEWS.md b/NEWS.md
index 184a475..a79806c 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,6 +1,10 @@
 
 <!-- NEWS.md is generated from NEWS.Rmd. Please edit that file -->
 
+# eq5d (development version)
+
+- Moroccan EQ-5D-5L value set added.
+
 # eq5d 0.15.7 (2025-02-28)
 
 - United Arab Emirates EQ-5D-5L value set added.
diff --git a/R/data.R b/R/data.R
index fcacf11..6d495d9 100644
--- a/R/data.R
+++ b/R/data.R
@@ -164,10 +164,10 @@
 #'
 #' EQ-5D-5L VT value set calculation data for Australia, Belgium, Canada, China, 
 #' Denmark, Egypt, England, Ethiopia, France, Germany, Ghana, HongKong, Hungary,
-#' India, Indonesia, Iran, Ireland, Italy, Japan, Malaysia, Mexico, Netherlands, 
-#' NewZealand, Norway, Peru, Philippines, Poland, Portugal, Romania, SaudiArabia, 
-#' Slovenia, SouthKorea, Spain, Sweden, Taiwan, Thailand, Uganda, UAE, Uruguay, 
-#' USA, Vietnam and Western Preference Pattern (WePP).
+#' India, Indonesia, Iran, Ireland, Italy, Japan, Malaysia, Mexico, Morocco, 
+#' Netherlands, NewZealand, Norway, Peru, Philippines, Poland, Portugal, 
+#' Romania, SaudiArabia, Slovenia, SouthKorea, Spain, Sweden, Taiwan, Thailand, 
+#' Uganda, UAE, Uruguay, USA, Vietnam and Western Preference Pattern (WePP).
 #'
 #' @source
 #' \itemize{
@@ -192,6 +192,7 @@
 #' \item{\strong{Japan}: Shiroiwa T, Ikeda S, Noto S, Igarashi A, Fukuda T, Saito S, Shimozuma K. Comparison of Value Set Based on DCE and/or TTO Data: Scoring for EQ-5D-5L Health States in Japan. Value Health. 2016 Jul-Aug;19(5):648-54. \doi{10.1016/j.jval.2016.03.1834}. Epub 2016 Apr 26. PMID: 27565282.}
 #' \item{\strong{Malaysia}: Shafie AA; Vasan Thakumar A; Lim CJ;Luo N; Rand-Hendriksen K; Yusof FA. EQ-5D-5L Valuation for the Malaysian Population. PharmacoEconomics. 2019 May;37(5):715-725. \doi{10.1007/s40273-018-0758-7}. PMID: 30535779.}
 #' \item{\strong{Mexico}: Gutierrez-Delgado C, Galindo-Suárez RM, Cruz-Santiago C, Shah K, Papadimitropoulos M, Feng Y, Zamora B, Devlin N. EQ-5D-5L Health-State Values for the Mexican Population. Appl Health Econ Health Policy. 2021 Nov;19(6):905-914. \doi{10.1007/s40258-021-00658-0}. Epub 2021 Jun 26. PMID: 34173957.}
+#' \item{\strong{Morocco}: Azizi A, Boutib A, Achak D, Purba FD, Rencz F, Saad E, Hilali A, Ahid S, Nejjari C, Stolk EA, Roudijk B, Youlyouz-Marfak I, Marfak A.Valuing health-related quality of life: an EQ-5D-5L value set for Morocco. Qual Life Res. 2025 Feb 28. \doi{10.1007/s11136-025-03930-1}. Online ahead of print. PMID: 40019677.}
 #' \item{\strong{Netherlands}: Versteegh MM, Vermeulen KM, Evers SM, de Wit GA, Prenger R, Stolk EA. Dutch Tariff for the Five-Level Version of EQ-5D. Value in Health. 2016 Jun;19(4):343-52.  \doi{10.1016/j.jval.2016.01.003}. PMID: 27325326.}
 #' \item{\strong{New Zealand}: Sullivan T, Hansen P, Ombler F, Derrett S, Devlin N. A new tool for creating personal and social EQ-5D-5L value sets, including valuing 'dead'. Soc Sci Med. 2020 Feb;246:112707. \doi{10.1016/j.socscimed.2019.112707}. Epub 2019 Nov 30. PMID: 31945596.}
 #' \item{\strong{Norway}: Garratt AM, Stavem K, Shaw JW, Rand K. EQ-5D-5L value set for Norway: a hybrid model using cTTO and DCE data. Qual Life Res. 2024 Nov 20. \doi{10.1007/s11136-024-03837-3}. Epub ahead of print. PMID: 39565555.}
diff --git a/R/sysdata.rda b/R/sysdata.rda
index c20e9f9..7f38e47 100644
Binary files a/R/sysdata.rda and b/R/sysdata.rda differ
diff --git a/data-raw/VT.csv b/data-raw/VT.csv
index 3293908..b89006c 100644
--- a/data-raw/VT.csv
+++ b/data-raw/VT.csv
@@ -1,36 +1,36 @@
-,Australia,Belgium,Canada,China,Denmark,Egypt,England,Ethiopia,France,Germany,Ghana,HongKong,Hungary,India,Indonesia,Iran,Ireland,Italy,Japan_cTTO,Japan_DCE,Malaysia,Mexico,Netherlands,NewZealand,Norway,Peru_cTTO,Peru_DCE,Philippines,Poland,Portugal,Romania,SaudiArabia,Slovenia,SouthKorea,Spain,Sweden_2020,Sweden_2022,Taiwan,Thailand,Trinidad_and_Tobago,UAE,Uganda,Uruguay,USA,Vietnam,WePP
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-MO1,NA,NA,-0.0389,NA,NA,NA,0,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,0,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA,NA
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\ No newline at end of file
+,Australia,Belgium,Canada,China,Denmark,Egypt,England,Ethiopia,France,Germany,Ghana,HongKong,Hungary,India,Indonesia,Iran,Ireland,Italy,Japan_cTTO,Japan_DCE,Malaysia,Mexico,Morocco,Netherlands,NewZealand,Norway,Peru_cTTO,Peru_DCE,Philippines,Poland,Portugal,Romania,SaudiArabia,Slovenia,SouthKorea,Spain,Sweden_2020,Sweden_2022,Taiwan,Thailand,Trinidad_and_Tobago,UAE,Uganda,Uruguay,USA,Vietnam,WePP
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\ No newline at end of file
diff --git a/data-raw/references.csv b/data-raw/references.csv
index bed3343..a224c81 100644
--- a/data-raw/references.csv
+++ b/data-raw/references.csv
@@ -68,6 +68,7 @@ EQ-5D-5L,VT,Japan_cTTO,27565282,10.1016/j.jval.2016.03.1834,,
 EQ-5D-5L,VT,Japan_DCE,27565282,10.1016/j.jval.2016.03.1834,,
 EQ-5D-5L,VT,Malaysia,30535779,10.1007/s40273-018-0758-7,,
 EQ-5D-5L,VT,Mexico,34173957,10.1007/s40258-021-00658-0,,
+EQ-5D-5L,VT,Morocco,40019677,10.1007/s11136-025-03930-1,,
 EQ-5D-5L,VT,Netherlands,27325326,10.1016/j.jval.2016.01.003,,
 EQ-5D-5L,VT,Norway,39565555,10.1007/s11136-024-03837-3,,
 EQ-5D-5L,VT,NewZealand,31945596,10.1016/j.socscimed.2019.112707,,
diff --git a/man/VT.Rd b/man/VT.Rd
index 44f5a4f..6e17a43 100644
--- a/man/VT.Rd
+++ b/man/VT.Rd
@@ -5,7 +5,7 @@
 \alias{VT}
 \title{EQ-5D-5L VT value set data}
 \format{
-An object of class \code{data.frame} with 35 rows and 46 columns.
+An object of class \code{data.frame} with 35 rows and 47 columns.
 }
 \source{
 \itemize{
@@ -30,6 +30,7 @@ An object of class \code{data.frame} with 35 rows and 46 columns.
 \item{\strong{Japan}: Shiroiwa T, Ikeda S, Noto S, Igarashi A, Fukuda T, Saito S, Shimozuma K. Comparison of Value Set Based on DCE and/or TTO Data: Scoring for EQ-5D-5L Health States in Japan. Value Health. 2016 Jul-Aug;19(5):648-54. \doi{10.1016/j.jval.2016.03.1834}. Epub 2016 Apr 26. PMID: 27565282.}
 \item{\strong{Malaysia}: Shafie AA; Vasan Thakumar A; Lim CJ;Luo N; Rand-Hendriksen K; Yusof FA. EQ-5D-5L Valuation for the Malaysian Population. PharmacoEconomics. 2019 May;37(5):715-725. \doi{10.1007/s40273-018-0758-7}. PMID: 30535779.}
 \item{\strong{Mexico}: Gutierrez-Delgado C, Galindo-Suárez RM, Cruz-Santiago C, Shah K, Papadimitropoulos M, Feng Y, Zamora B, Devlin N. EQ-5D-5L Health-State Values for the Mexican Population. Appl Health Econ Health Policy. 2021 Nov;19(6):905-914. \doi{10.1007/s40258-021-00658-0}. Epub 2021 Jun 26. PMID: 34173957.}
+\item{\strong{Morocco}: Azizi A, Boutib A, Achak D, Purba FD, Rencz F, Saad E, Hilali A, Ahid S, Nejjari C, Stolk EA, Roudijk B, Youlyouz-Marfak I, Marfak A.Valuing health-related quality of life: an EQ-5D-5L value set for Morocco. Qual Life Res. 2025 Feb 28. \doi{10.1007/s11136-025-03930-1}. Online ahead of print. PMID: 40019677.}
 \item{\strong{Netherlands}: Versteegh MM, Vermeulen KM, Evers SM, de Wit GA, Prenger R, Stolk EA. Dutch Tariff for the Five-Level Version of EQ-5D. Value in Health. 2016 Jun;19(4):343-52.  \doi{10.1016/j.jval.2016.01.003}. PMID: 27325326.}
 \item{\strong{New Zealand}: Sullivan T, Hansen P, Ombler F, Derrett S, Devlin N. A new tool for creating personal and social EQ-5D-5L value sets, including valuing 'dead'. Soc Sci Med. 2020 Feb;246:112707. \doi{10.1016/j.socscimed.2019.112707}. Epub 2019 Nov 30. PMID: 31945596.}
 \item{\strong{Norway}: Garratt AM, Stavem K, Shaw JW, Rand K. EQ-5D-5L value set for Norway: a hybrid model using cTTO and DCE data. Qual Life Res. 2024 Nov 20. \doi{10.1007/s11136-024-03837-3}. Epub ahead of print. PMID: 39565555.}
@@ -61,9 +62,9 @@ VT
 \description{
 EQ-5D-5L VT value set calculation data for Australia, Belgium, Canada, China, 
 Denmark, Egypt, England, Ethiopia, France, Germany, Ghana, HongKong, Hungary,
-India, Indonesia, Iran, Ireland, Italy, Japan, Malaysia, Mexico, Netherlands, 
-NewZealand, Norway, Peru, Philippines, Poland, Portugal, Romania, SaudiArabia, 
-Slovenia, SouthKorea, Spain, Sweden, Taiwan, Thailand, Uganda, UAE, Uruguay, 
-USA, Vietnam and Western Preference Pattern (WePP).
+India, Indonesia, Iran, Ireland, Italy, Japan, Malaysia, Mexico, Morocco, 
+Netherlands, NewZealand, Norway, Peru, Philippines, Poland, Portugal, 
+Romania, SaudiArabia, Slovenia, SouthKorea, Spain, Sweden, Taiwan, Thailand, 
+Uganda, UAE, Uruguay, USA, Vietnam and Western Preference Pattern (WePP).
 }
 \keyword{datasets}
diff --git a/man/eq5d-package.Rd b/man/eq5d-package.Rd
index 7dfede6..75040b1 100644
--- a/man/eq5d-package.Rd
+++ b/man/eq5d-package.Rd
@@ -5,7 +5,7 @@
 \alias{eq5d-package}
 \title{eq5d: Methods for Analysing 'EQ-5D' Data and Calculating 'EQ-5D' Index Scores}
 \description{
-EQ-5D is a popular health related quality of life instrument used in the clinical and economic evaluation of health care. Developed by the EuroQol group \url{https://euroqol.org/}, the instrument consists of two components: health state description and evaluation. For the description component a subject self-rates their health in terms of five dimensions; mobility, self-care, usual activities, pain/discomfort, and anxiety/depression using either a three-level (EQ-5D-3L, \url{https://euroqol.org/information-and-support/euroqol-instruments/eq-5d-3l/}) or a five-level (EQ-5D-5L, \url{https://euroqol.org/information-and-support/euroqol-instruments/eq-5d-5l/}) scale. Frequently the scores on these five dimensions are converted to a single utility index using country specific value sets, which can be used in the clinical and economic evaluation of health care as well as in population health surveys. The eq5d package provides methods to calculate index scores from a subject's dimension scores. 32 TTO and 11 VAS EQ-5D-3L value sets including those for countries in Szende et al (2007) \doi{10.1007/1-4020-5511-0} and Szende et al (2014) \doi{10.1007/978-94-007-7596-1}, 46 EQ-5D-5L EQ-VT value sets, the EQ-5D-5L crosswalk value sets developed by van Hout et al. (2012) \doi{10.1016/j.jval.2012.02.008}, the crosswalk value sets for Bermuda, Jordan and Russia and the reverse crosswalk value sets. 10 EQ-5D-Y value sets are also included as are the NICE 'DSU' age-sex based EQ-5D-3L to EQ-5D-5L and EQ-5D-5L to EQ-5D-3L mappings. Methods are also included for the analysis of EQ-5D profiles, including those from the book "Methods for Analyzing and Reporting EQ-5D data" by Devlin et al. (2020) \doi{10.1007/978-3-030-47622-9}. Additionally a shiny web tool is included to enable the calculation, visualisation and automated statistical analysis of EQ-5D data via a web browser using EQ-5D dimension scores stored in CSV or Excel files.
+EQ-5D is a popular health related quality of life instrument used in the clinical and economic evaluation of health care. Developed by the EuroQol group \url{https://euroqol.org/}, the instrument consists of two components: health state description and evaluation. For the description component a subject self-rates their health in terms of five dimensions; mobility, self-care, usual activities, pain/discomfort, and anxiety/depression using either a three-level (EQ-5D-3L, \url{https://euroqol.org/information-and-support/euroqol-instruments/eq-5d-3l/}) or a five-level (EQ-5D-5L, \url{https://euroqol.org/information-and-support/euroqol-instruments/eq-5d-5l/}) scale. Frequently the scores on these five dimensions are converted to a single utility index using country specific value sets, which can be used in the clinical and economic evaluation of health care as well as in population health surveys. The eq5d package provides methods to calculate index scores from a subject's dimension scores. 32 TTO and 11 VAS EQ-5D-3L value sets including those for countries in Szende et al (2007) \doi{10.1007/1-4020-5511-0} and Szende et al (2014) \doi{10.1007/978-94-007-7596-1}, 47 EQ-5D-5L EQ-VT value sets, the EQ-5D-5L crosswalk value sets developed by van Hout et al. (2012) \doi{10.1016/j.jval.2012.02.008}, the crosswalk value sets for Bermuda, Jordan and Russia and the reverse crosswalk value sets. 10 EQ-5D-Y value sets are also included as are the NICE 'DSU' age-sex based EQ-5D-3L to EQ-5D-5L and EQ-5D-5L to EQ-5D-3L mappings. Methods are also included for the analysis of EQ-5D profiles, including those from the book "Methods for Analyzing and Reporting EQ-5D data" by Devlin et al. (2020) \doi{10.1007/978-3-030-47622-9}. Additionally a shiny web tool is included to enable the calculation, visualisation and automated statistical analysis of EQ-5D data via a web browser using EQ-5D dimension scores stored in CSV or Excel files.
 }
 \seealso{
 Useful links:
diff --git a/tests/testthat/test-eq5d5l.R b/tests/testthat/test-eq5d5l.R
index 8dc84a7..66d67ad 100644
--- a/tests/testthat/test-eq5d5l.R
+++ b/tests/testthat/test-eq5d5l.R
@@ -191,6 +191,13 @@ test_that("EQ-5D-5L South Korea gives correct answer", {
   expect_equal(eq5d5l(c(MO=5,SC=5,UA=5,PD=5,AD=5), "SouthKorea"), -0.066)
 })
 
+test_that("EQ-5D-5L Malaysia gives correct answer", {
+  expect_equal(eq5d5l(c(MO=1,SC=1,UA=1,PD=1,AD=1), "Malaysia"), 1)
+  expect_equal(eq5d5l(c(MO=1,SC=1,UA=2,PD=1,AD=1), "Malaysia"), 0.952)
+  expect_equal(eq5d5l(c(MO=1,SC=2,UA=3,PD=4,AD=5), "Malaysia"), 0.315)
+  expect_equal(eq5d5l(c(MO=5,SC=5,UA=5,PD=5,AD=5), "Malaysia"), -0.441)
+})
+
 test_that("EQ-5D-5L Mexico gives correct answer", {
   expect_equal(eq5d5l(c(MO=1,SC=1,UA=1,PD=1,AD=1), "Mexico"), 1)
   expect_equal(eq5d5l(c(MO=2,SC=1,UA=1,PD=1,AD=1), "Mexico"), 0.984)
@@ -198,11 +205,12 @@ test_that("EQ-5D-5L Mexico gives correct answer", {
   expect_equal(eq5d5l(c(MO=5,SC=5,UA=5,PD=5,AD=5), "Mexico"), -0.596)
 })
 
-test_that("EQ-5D-5L Malaysia gives correct answer", {
-  expect_equal(eq5d5l(c(MO=1,SC=1,UA=1,PD=1,AD=1), "Malaysia"), 1)
-  expect_equal(eq5d5l(c(MO=1,SC=1,UA=2,PD=1,AD=1), "Malaysia"), 0.952)
-  expect_equal(eq5d5l(c(MO=1,SC=2,UA=3,PD=4,AD=5), "Malaysia"), 0.315)
-  expect_equal(eq5d5l(c(MO=5,SC=5,UA=5,PD=5,AD=5), "Malaysia"), -0.441)
+test_that("EQ-5D-5L Morocco gives correct answer", {
+  expect_equal(eq5d5l(c(MO=1,SC=1,UA=1,PD=1,AD=1), "Morocco"), 1)
+  expect_equal(eq5d5l(c(MO=1,SC=1,UA=2,PD=1,AD=1), "Morocco"), 0.979)
+  expect_equal(eq5d5l(c(MO=2,SC=1,UA=1,PD=1,AD=1), "Morocco"), 0.979)
+  expect_equal(eq5d5l(c(MO=1,SC=2,UA=3,PD=4,AD=5), "Morocco"), -0.128)
+  expect_equal(eq5d5l(c(MO=5,SC=5,UA=5,PD=5,AD=5), "Morocco"), -1.492, tolerance = .0011)
 })
 
 test_that("EQ-5D-5L Netherlands gives correct answer", {